{"title":"Clutch Springs \u0026 Weights","description":"Clutch springs, clutch weights, and spring\/weight kits for clutch tuning (including centrifugal clutches \/ torque converters). See also: \u003ca href=\"https:\/\/swiftkarting.com\/collections\/complete-clutches\"\u003eComplete Clutches\u003c\/a\u003e, \u003ca href=\"https:\/\/swiftkarting.com\/collections\/clutch-components\"\u003eClutch Components\u003c\/a\u003e, \u003ca href=\"https:\/\/swiftkarting.com\/collections\/clutch-drums\"\u003eClutch Drums\u003c\/a\u003e, \u003ca href=\"https:\/\/swiftkarting.com\/collections\/clutch-shoes\"\u003eClutch Shoes\u003c\/a\u003e.","products":[{"product_id":"hilliard-inferno-clutch-spring-orange-hdc-os","title":"Hilliard Inferno Orange Clutch Spring for Responsive Shifts","description":"\u003cp\u003eWhy settle for sluggish engagement when the orange Hilliard Inferno Clutch Spring can transform your setup? It provides the exact resistance needed for seamless power application.\u003c\/p\u003e\u003cp\u003eCompatible across BLAZE, FIRE, and FLAME (SKU: HDC-OS), this spring helps eliminate hesitation, allowing smoother transitions that keep your momentum alive through every turn. Keep your trackside organization sharp by stocking these color-coded essentials for fast, error-free replacements.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary purpose of the orange Hilliard Inferno clutch spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The orange spring is designed to provide specific resistance for your Hilliard Inferno clutch, helping to eliminate sluggish engagement and ensuring smooth, responsive power delivery out of corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Hilliard Inferno clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is specifically designed for the BLAZE, FIRE, and FLAME series (SKU: HDC-OS). Always verify your clutch model before installation to ensure proper engagement characteristics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are wear items that can lose tension over time due to heat and repeated cycling. It is recommended to inspect them for fatigue or deformation regularly and keep a spare set in your trackside kit for quick, error-free replacements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix different colored springs in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For consistent performance and balanced engagement, it is highly recommended to use a matching set of springs across all shoes. Mixing spring tensions can lead to uneven wear and unpredictable clutch behavior.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-blaze-flame-fire-tuning-kit-hdc-bztk\"\u003eHilliard Inferno BLAZE, FLAME \u0026amp; FIRE Clutch Tuning Kit - Assorted Springs \u0026amp; Weights - LO206 \/ 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-spring-yellow-hdc-ys\"\u003eHilliard Inferno Yellow Clutch Spring for Quick Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-spring-white-hdc-ws\"\u003eHilliard Inferno White Clutch Spring - 2300 RPM Engagement - LO206 \/ 4-Cycle\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-spring-red-hdc-rs\"\u003eHilliard Inferno Red Clutch Spring for High-Performance Grip\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-flame-tunable-racing-clutch-shoe-hdc-shfl\"\u003eHilliard Inferno FLAME Tunable Racing Clutch Shoe for Speed Optimization\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hilliard","offers":[{"title":"Default Title","offer_id":52562570805566,"sku":"HDC-OS","price":3.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/infernoblaze-hilliard-inferno-clutch-spring-orange-hdc-os.jpg?v=1763112080"},{"product_id":"hilliard-inferno-clutch-spring-red-hdc-rs","title":"Hilliard Inferno Red Clutch Spring for High-Performance Grip","description":"\u003cp\u003ePicture dominating starts with the red Hilliard Inferno Clutch Spring's robust tension, locking in power the moment you hit the throttle.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRed hue signals high-stiffness option for aggressive racing styles\u003c\/li\u003e\n\u003cli\u003eVersatile fit for Inferno BLAZE, FIRE, and FLAME\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis component (SKU: HDC-RS) cuts down on slip, promoting faster exits from pits or corners. It streamlines your maintenance routine, keeping parts sorted and ready for action-packed weekends at the kart track.\u003c\/p\u003e\n\n\u003cdiv\u003e\n\u003cp\u003ePicture dominating starts with the red Hilliard Inferno Clutch Spring's robust tension, locking in power the moment you hit the throttle.\u003c\/p\u003e\n\u003cp\u003eThe red hue signals a high-stiffness option designed for aggressive racing styles. This component (SKU: HDC-RS) is a versatile fit for Inferno BLAZE, FIRE, and FLAME clutches, effectively cutting down on slip to promote faster exits from pits or corners. It streamlines your maintenance routine, keeping your parts sorted and ready for action-packed weekends at the kart track.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary benefit of using the red Hilliard Inferno clutch spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The red spring is a high-stiffness option. It provides increased tension, which helps lock in power more aggressively, reduces clutch slip, and promotes faster acceleration out of corners.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Which Hilliard clutches are compatible with the red spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for use with the Hilliard Inferno BLAZE, FIRE, and FLAME clutch models.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: When should I choose the red spring over other color-coded options?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should choose the red spring if you are looking for a higher engagement RPM or a stiffer feel to suit an aggressive driving style. If you find your current setup is slipping too much, the red spring is an excellent tuning choice to firm up the engagement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring difficult to install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, the Hilliard Inferno system is designed for easy maintenance. The springs are accessible when servicing the clutch shoes, allowing for quick swaps at the track between heats to adjust your engagement characteristics.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-blaze-clutch-with-oem-bully-conversion-comes-with-drum-but-no-driver-included-see-note-in-description-about-parts-supplied-and-springs-hdc-blaze-bully\"\u003eHilliard Inferno BLAZE Clutch with OEM Bully Conversion and Drum Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-fire-clutch-comes-with-drum-but-no-driver-included-hdc-fire\"\u003eHilliard Inferno FIRE Clutch with Drum - Advanced Friction Lining for Superior Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-blaze-flame-fire-tuning-kit-hdc-bztk\"\u003eHilliard Inferno BLAZE, FLAME \u0026amp; FIRE Clutch Tuning Kit - Assorted Springs \u0026amp; Weights - LO206 \/ 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-spring-yellow-hdc-ys\"\u003eHilliard Inferno Yellow Clutch Spring for Quick Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hilliard","offers":[{"title":"Default Title","offer_id":52562570936638,"sku":"HDC-RS","price":3.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/infernoblaze-hilliard-inferno-clutch-spring-red-hdc-rs.jpg?v=1763112083"},{"product_id":"hilliard-inferno-clutch-spring-white-hdc-ws","title":"Hilliard Inferno White Clutch Spring - 2300 RPM Engagement - LO206 \/ 4-Cycle","description":"\u003cp\u003eDialing in the exact engagement RPM on your racing kart requires precision tuning, and the Hilliard Inferno White Clutch Spring delivers the exact tension needed for consistent off-corner acceleration.\u003c\/p\u003e\u003ch2\u003ePrecision Tuning Beyond Motor Engine Oil and Chassis Setup\u003c\/h2\u003e\u003cp\u003eWhen you are chasing hundredths of a second, every component matters. You already obsess over the viscosity of your motor engine oil and the exact alignment of your chassis, but your clutch engagement is what actually transfers that power to the track. The Hilliard Inferno White Clutch Spring (SKU: HDC-WS) is engineered specifically for the BLAZE, FIRE, FLAME, and FURY systems. Rated for approximately 2300 to 2800 RPM engagement depending on your shoe weight configuration, this spring provides a smooth, predictable bite that prevents bogging down out of tight hairpins.\u003c\/p\u003e\u003ch2\u003eSeamless Integration with Your Drivetrain and Brake Discs\u003c\/h2\u003e\u003cp\u003eA well-tuned clutch works in harmony with your entire braking and acceleration system. If you are diving deep into the braking zone and relying on premium brake discs to scrub speed, you need a clutch that engages flawlessly the moment you get back on the throttle. The white color-coding allows engine builders and mechanics to quickly identify the spring tension during rapid pit-area clutch rebuilds. This minimizes downtime and ensures that your setup is exactly where it needs to be before the green flag drops.\u003c\/p\u003e\u003ch2\u003eComplementing Brake Caliper Parts for Ultimate Control\u003c\/h2\u003e\u003cp\u003eKart control is a delicate balance between stopping power and forward drive. Just as you meticulously bleed your lines and inspect your brake caliper parts for optimal deceleration, tuning your Hilliard clutch with the white spring ensures your acceleration is equally dialed. The engineered tension of the HDC-WS spring significantly reduces drivetrain vibration, stabilizing your runs and minimizing energy loss. This translates directly into tangible gains in lap consistency, allowing you to hit your marks lap after lap.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2300-2800 RPM Engagement:\u003c\/strong\u003e Provides a smooth, predictable power transfer tailored for 4-cycle racing engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Steel Construction:\u003c\/strong\u003e Engineered to withstand extreme heat cycles without losing its spring rate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite Color-Coded Finish:\u003c\/strong\u003e Allows for rapid visual identification during high-pressure clutch rebuilds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Reduction:\u003c\/strong\u003e Stabilizes the clutch shoes to minimize chatter and energy loss upon engagement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Integrates seamlessly with Hilliard Inferno BLAZE, FIRE, FLAME, and FURY clutch systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Lap Times:\u003c\/strong\u003e Delivers repeatable bite points, ensuring predictable acceleration out of every corner.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Delivery:\u003c\/strong\u003e Prevents engine bogging by allowing the motor to reach its optimal torque band before fully engaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the engagement RPM range for the Hilliard Inferno White Clutch Spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The white spring is rated for approximately 2300 to 2800 RPM. The exact engagement point will vary based on your specific clutch shoe weight configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which Hilliard clutch systems are compatible with this spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for use with the Hilliard Inferno BLAZE, FIRE, FLAME, and FURY clutch systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the spring color-coded white?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The white color-coding allows mechanics and engine builders to quickly identify the spring tension during rapid pit-area clutch rebuilds, ensuring your setup is accurate before heading back onto the track.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does changing the spring tension affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Adjusting your spring tension allows you to dial in your engagement RPM. A properly tuned spring prevents engine bogging out of tight corners by allowing the motor to reach its optimal torque band before the clutch fully engages.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these springs for LO206 racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, these springs are a popular choice for 4-cycle racing, including the LO206 class, where precise off-corner acceleration is critical for competitive lap times.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-blaze-flame-fire-tuning-kit-hdc-bztk\"\u003eHilliard Inferno BLAZE, FLAME \u0026amp; FIRE Clutch Tuning Kit - Assorted Springs \u0026amp; Weights - LO206 \/ 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-spring-yellow-hdc-ys\"\u003eHilliard Inferno Yellow Clutch Spring for Quick Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-spring-red-hdc-rs\"\u003eHilliard Inferno Red Clutch Spring for High-Performance Grip\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-spring-orange-hdc-os\"\u003eHilliard Inferno Orange Clutch Spring for Responsive Shifts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-weight-snap-ring-kit-16pc-hdc-wsrk\"\u003eHilliard Inferno 16-Piece Clutch Weight Snap Ring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hilliard","offers":[{"title":"Default Title","offer_id":52562570969406,"sku":"HDC-WS","price":3.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/infernoblaze-hilliard-inferno-clutch-spring-white-hdc-ws.jpg?v=1763112084"},{"product_id":"hilliard-inferno-clutch-spring-yellow-hdc-ys","title":"Hilliard Inferno Yellow Clutch Spring for Quick Acceleration","description":"\u003cp\u003eLaunch ahead of the pack using the vibrant yellow Hilliard Inferno Clutch Spring, which tunes your clutch for instantaneous response.\u003c\/p\u003e\u003cp\u003eBest for BLAZE with cross-compatibility to FIRE and FLAME (SKU: HDC-YS), it helps channel engine torque efficiently, cutting acceleration delays. Stay organized at the track with color-coded springs like this, making tweaks straightforward and keeping your focus on winning.\u003c\/p\u003e\u003cul\u003e\u003cli\u003eYellow indicates lighter tension for agile handling\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the yellow color indicate on this Hilliard Inferno clutch spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The yellow color signifies a specific tension rating designed for lighter engagement. In the Hilliard Inferno system, yellow springs are used to achieve agile handling and a more instantaneous response during acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the Hilliard Inferno Yellow Spring compatible with all Inferno clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this spring (HDC-YS) is designed for cross-compatibility across the Hilliard Inferno line, including the BLAZE, FIRE, and FLAME models. It is a standard tuning component for these clutches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if I should use the yellow spring instead of other colors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch spring selection is a key part of tuning your kart's engagement RPM. If you are experiencing acceleration delays, the yellow spring's lighter tension can help the clutch engage more quickly. We recommend testing different spring colors to see which best matches your engine's torque curve and track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to replace all springs in the clutch at once?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, for consistent clutch performance and balanced engagement, it is highly recommended to replace all springs in your clutch assembly simultaneously rather than mixing different tension springs.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-blaze-clutch-with-oem-bully-conversion-comes-with-drum-but-no-driver-included-see-note-in-description-about-parts-supplied-and-springs-hdc-blaze-bully\"\u003eHilliard Inferno BLAZE Clutch with OEM Bully Conversion and Drum Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-fire-clutch-comes-with-drum-but-no-driver-included-hdc-fire\"\u003eHilliard Inferno FIRE Clutch with Drum - Advanced Friction Lining for Superior Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-blaze-flame-fire-tuning-kit-hdc-bztk\"\u003eHilliard Inferno BLAZE, FLAME \u0026amp; FIRE Clutch Tuning Kit - Assorted Springs \u0026amp; Weights - LO206 \/ 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-spring-white-hdc-ws\"\u003eHilliard Inferno White Clutch Spring - 2300 RPM Engagement - LO206 \/ 4-Cycle\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hilliard","offers":[{"title":"Default Title","offer_id":52562571034942,"sku":"HDC-YS","price":3.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/infernoblaze-hilliard-inferno-clutch-spring-yellow-hdc-ys.jpg?v=1763112086"},{"product_id":"viper-clutch-spring-090-wire-silver-fcdc-sp90s","title":"Viper 3.5\" Clutch Spring - Silver .090\" Wire - All Applications","description":"\u003cp\u003eAchieving optimal clutch lock-up requires precision-engineered kart parts, and the Viper Silver .090\" Wire Clutch Spring (SKU: FCDC-SP90S) delivers the exact tension necessary for explosive corner exits. Designed by Brian Barnes for the Surge line and compatible with Viper and most 3.5\" clutches, this spring provides the perfect balance of engagement and slip. Whether you are running a high-horsepower modified engine or a standard clone, maintaining consistent clutch engagement is critical for maximizing corner exit speed and straightaway momentum.\u003c\/p\u003e\u003ch2\u003eSeamless Integration with Go Kart Axles and Drivetrains\u003c\/h2\u003e\u003cp\u003eYour clutch is the vital link between engine power and your \u003cstrong\u003ego kart axles\u003c\/strong\u003e. If your clutch springs are fatigued or improperly tensioned, you lose valuable power transfer, resulting in sluggish acceleration and inconsistent lap times. The .090\" wire thickness of this silver Viper spring offers a medium-stiff engagement profile, making it highly versatile across various track conditions and engine packages. Unlike a heavy-duty \u003cstrong\u003ego kart torque converter\u003c\/strong\u003e setup that relies on belt friction, a disc clutch demands precise spring tension to lock up at the optimal RPM. This silver spring ensures your clutch shoes engage with authority, preventing excessive heat buildup and premature wear on your friction discs.\u003c\/p\u003e\u003ch2\u003eUnmatched Durability Alongside Your Brake Cylinder\u003c\/h2\u003e\u003cp\u003eJust as you rely on a responsive \u003cstrong\u003ebrake cylinder\u003c\/strong\u003e to dive deep into the corners, you need a clutch spring that snaps back into position the moment you lift off the throttle. The high-tensile steel construction of the Viper .090\" spring resists heat fade and mechanical fatigue, ensuring your engagement RPM remains identical from the green flag to the checkered. The distinct silver hue isn't just for aesthetics; it allows mechanics and drivers to perform rapid visual inspections in the pits, ensuring the correct spring rate is installed before hitting the grid.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e.090\" Wire Diameter:\u003c\/strong\u003e Provides a versatile, medium-stiff tension profile suitable for a wide range of engine classes and track layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal 3.5\" Compatibility:\u003c\/strong\u003e Engineered to fit Viper, Surge, and virtually all standard 3.5-inch disc clutches on the market.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Steel Construction:\u003c\/strong\u003e Resists heat cycling and mechanical fatigue to maintain a consistent engagement RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistinct Silver Color-Coding:\u003c\/strong\u003e Enables rapid visual identification in the pits, eliminating setup guesswork during frantic tuning sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Transfer:\u003c\/strong\u003e Ensures crisp, predictable clutch lock-up to maximize acceleration and reduce friction disc wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrian Barnes Design:\u003c\/strong\u003e Developed by an industry expert to deliver championship-winning reliability and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Application Versatility:\u003c\/strong\u003e Ideal for both sprint racing and endurance events where consistent clutch performance is mandatory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the .090\" wire diameter affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The .090\" wire diameter provides a medium-stiff tension profile. This is designed to offer a balance between engagement and slip, helping your clutch lock up effectively for better acceleration out of corners without causing excessive heat buildup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all 3.5\" clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this spring is engineered for universal compatibility with Viper, Surge, and most standard 3.5-inch disc clutches used in karting applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the silver color-coding important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The distinct silver finish allows for rapid visual identification in the pits. This helps mechanics and drivers quickly verify that the correct spring rate is installed before hitting the track, saving time during tuning sessions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your springs if you notice sluggish acceleration, inconsistent lap times, or if the clutch engagement RPM begins to drift. If the springs show signs of mechanical fatigue or heat fade, replacing them with a fresh set is essential for consistent power transfer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these springs for both sprint and endurance racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. The high-tensile steel construction is designed to resist heat cycling and mechanical fatigue, making these springs reliable for both short sprint races and longer endurance events.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-pressure-plate-fcdc-pp\"\u003eHigh-Performance Viper Clutch Pressure Plate for Superior Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-floater-plate-optional-090-fcdc-fp090\"\u003eOptional Viper Clutch Floater Plate .090 Inch for Custom Builds\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-inner-thrust-bearing-fcdc-itb\"\u003eViper Inner Thrust Bearing for Clutch Durability\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-drive-hub-3-disc-fcdc-dh3\"\u003eReinforced Viper Clutch Drive Hub for Triple-Disc Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-lever-support-fcdc-ls\"\u003eSilver Aluminum Viper Clutch Lever Support for Small Pin Levers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Viper","offers":[{"title":"Default Title","offer_id":52562591547710,"sku":"FCDC-SP90S","price":5.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/parts-viper-clutch-spring-090-wire-silver-fcdc-sp90s.jpg?v=1763112427"},{"product_id":"bully-clutch-spring-067-purple-bcsp","title":"Purple .067\" Bully Clutch Spring for Custom Engagement Rates","description":"\u003cp\u003eUnlock tunable performance in your kart's drive system using this .067\" purple spring, which sets the engagement threshold to match your engine's power band perfectly.\u003c\/p\u003e\u003cp\u003eWhy it matters on race day:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePurple color for rapid selection during frantic pit stops\u003c\/li\u003e\n\u003cli\u003eBalanced rate supports both low-end torque and high-speed stability\u003c\/li\u003e\n\u003cli\u003eReduces shoe flutter, enhancing lining longevity\u003c\/li\u003e\n\u003cli\u003eVersatile fit in Bully 3\/4\" and Viper jackshaft models\u003c\/li\u003e\n\u003cli\u003eFacilitates organized spring kits for varied track profiles\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eExperienced tuners swear by mixing spring rates like this to adapt to changing weather or tire compounds, shaving precious seconds per lap. With the (SKU: BCSP), maintain a clutter-free toolbox while achieving pro-level clutch response. It's not just a part—it's your secret to consistent podium finishes across diverse racing formats.\u003c\/p\u003e\u003cp\u003eIntegrate into rebuilds for immediate gains in drivability and speed.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the .067\" purple spring affect my kart's engagement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The .067\" spring rate is designed to provide a specific engagement threshold. By swapping to this purple spring, you can fine-tune your clutch to engage at the optimal RPM for your engine's power band, helping you get off the corner faster.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix different spring rates in my Bully clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, experienced tuners often mix spring rates to achieve a specific \"feel\" or to adapt to changing track conditions, such as varying tire compounds or weather-related grip levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Bully clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for versatility and fits standard Bully 3\/4\" and Viper jackshaft models. Always ensure your clutch stack height is properly measured when changing springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Springs can lose their tension over time due to heat cycles and mechanical stress. It is recommended to check your spring height regularly and replace them if they no longer meet your setup specifications to ensure consistent clutch performance.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-spring-height-gauge-bcshg\"\u003eBully Clutch Spring Height Gauge for Accurate Measurements\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-spring-adjuster-nut-10-32-thread-bcsn\"\u003e10-32 Thread Bully Clutch Spring Adjuster Nut for Fine Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-spring-100-blue-bcsbl\"\u003eStiff .100\" Blue Bully Clutch Spring for High-Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-spring-090-red-bcsr\"\u003eMedium .090\" Red Bully Clutch Spring for Enhanced Grip\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-friction-disc-oem-slotted-8-tab-bcfds\"\u003eBully OEM Slotted 8-Tab Friction Disc for Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bully","offers":[{"title":"Default Title","offer_id":52562610422078,"sku":"BCSP","price":7.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/bully34clutch-bully-clutch-spring-067-purple-bcsp.jpg?v=1763112768"},{"product_id":"hilliard-inferno-clutch-weight-snap-ring-pack-200pk-hdc-wsr200","title":"Hilliard Inferno Clutch Weight Snap Ring - Bulk 200 Pack - LO206 \/ Clone Racing","description":"\u003cp\u003eIntegrating new kart parts into your driveline isn't just about routine maintenance; it's about locking in your engagement RPMs with absolute certainty. The Hilliard Inferno Clutch Weight Snap Ring 200-pack is engineered to secure your clutch weights under extreme centrifugal loads, ensuring zero slippage when you're pushing the best engines to their absolute limit. Whether you're running a Flame, Fire, or Blaze clutch, these circlips are the unsung heroes of your tuning program.\u003c\/p\u003e\u003ch2\u003eOptimizing the Best Engines with Precision Clutch Tuning\u003c\/h2\u003e\u003cp\u003eClutch tuning dictates your exit speed and hole-shot capability. Each snap ring in this bulk pack is manufactured from high-tensile spring steel, designed to withstand the violent harmonic vibrations of 4-cycle racing. While some mechanics might focus entirely on swapping comet parts or adjusting tire pressures, true professionals know that a dropped clutch weight means an instant DNF. By securing your heavy and light weights with fresh snap rings, you guarantee consistent engagement points heat after heat.\u003c\/p\u003e\u003ch2\u003eEssential Trailer Accessories: Trackside Bulk Storage\u003c\/h2\u003e\u003cp\u003eNever let a lost circlip end your race weekend. Stocking this 200-count bulk pack among your trackside trailer accessories ensures your pit box is always ready for rapid clutch rebuilds. When you're making split-second decisions to change weight distribution for a drying track, having a dedicated supply of fresh snap rings allows for aggressive, confident tuning.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Construction:\u003c\/strong\u003e Resists deformation under extreme centrifugal forces, keeping clutch weights locked.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Inferno Fitment:\u003c\/strong\u003e Perfectly compatible with Hilliard Flame, Fire, Fury, and Blaze racing clutches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Pit Efficiency:\u003c\/strong\u003e 200-count pack ensures you have enough hardware for multiple seasons and team karts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Engagement:\u003c\/strong\u003e Prevents weight shift, delivering predictable RPM lock-up off the apex.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Trackside Tuning:\u003c\/strong\u003e Enables quick weight swaps without worrying about reusing fatigued or stretched rings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Resistance:\u003c\/strong\u003e Engineered to handle the harsh harmonics of high-RPM 4-cycle racing engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is it important to replace clutch weight snap rings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Snap rings are subject to extreme centrifugal force and heat cycles. Over time, they can lose their tension or become fatigued. Replacing them ensures your clutch weights remain securely locked in place, preventing weight shift and potential DNF results due to clutch failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I change these snap rings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is best practice to inspect your snap rings during every major clutch rebuild. If you notice any signs of deformation, stretching, or if the ring does not \"snap\" firmly into the groove, it should be replaced immediately to maintain consistent engagement RPMs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these snap rings compatible with all Hilliard Inferno clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this 200-pack is designed for universal fitment across the Hilliard Inferno line, including Flame, Fire, Fury, and Blaze models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is a special tool required to install these snap rings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While they can be installed with precision needle-nose pliers, using a dedicated snap ring tool or pick set is recommended to prevent over-stretching the ring during installation, which ensures the ring maintains its factory tension.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-flame-clutch-with-needle-bearing-and-race-comes-with-drum-but-no-driver-included-hdc-flame-nb\"\u003eHilliard Inferno FLAME Tunable Racing Clutch - Needle Bearing \u0026amp; Drum - 3\/4\" Bore\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-fire-clutch-comes-with-drum-but-no-driver-included-hdc-fire\"\u003eHilliard Inferno FIRE Clutch with Drum - Advanced Friction Lining for Superior Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-blaze-clutch-with-needle-bearing-and-race-comes-with-drum-but-no-driver-included-new-style-hdc-blaze-nb\"\u003eHilliard Inferno Blaze Clutch with Needle Bearing and Race - Drum Included, New Style\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-blaze-flame-fire-tuning-kit-hdc-bztk\"\u003eHilliard Inferno BLAZE, FLAME \u0026amp; FIRE Clutch Tuning Kit - Assorted Springs \u0026amp; Weights - LO206 \/ 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-weight-snap-ring-kit-16pc-hdc-wsrk\"\u003eHilliard Inferno 16-Piece Clutch Weight Snap Ring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hilliard","offers":[{"title":"Default Title","offer_id":52562629165374,"sku":"HDC-WSR200","price":31.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/infernoflame-hilliard-inferno-clutch-weight-snap-ring-pack-200pk-hdc-wsr200.jpg?v=1763113188"},{"product_id":"honda-gxh50-kid-kart-clutch-spring-sold-each-nasr","title":"Honda GXH50 Kid Kart Clutch Spring - Red Spec - Kid Kart Class","description":"\u003ch2\u003eDialing in Your Kid Kart: Beyond the Steering Wheel\u003c\/h2\u003e\u003cp\u003eIn competitive kart racing, securing the holeshot requires more than just aggressive inputs on the steering wheel; it demands flawless power delivery. The Honda GXH50 Kid Kart Clutch Spring (SKU: NASR) is the exact spec component you need to ensure consistent, rule-abiding engagement in youth classes. When you are tuning a 50cc powerplant, clutch tension dictates your launch speed and mid-corner acceleration. A fatigued spring leads to premature shoe expansion, slipping, and lost momentum. Replacing your clutch springs restores the precise RPM engagement threshold required to keep your junior driver in the optimal powerband.\u003c\/p\u003e\u003ch2\u003eRoutine Maintenance: As Crucial as Motor Engine Oil\u003c\/h2\u003e\u003cp\u003eProfessional mechanics know that drivetrain maintenance is just as critical as changing your motor engine oil. Over multiple heat cycles, clutch springs lose their tensile strength. By installing fresh Honda GXH50 spec red springs, you guarantee timely shoe expansion and even wear across the clutch drum. This translates to dependable, repeatable starts every time the green flag drops. Just like inspecting your wheel hub assembly parts for bearing drag, verifying your clutch spring tension is a mandatory step in pit lane efficiency. You need two of these springs per clutch assembly to maintain the balanced resistance necessary for uninterrupted track sessions.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications \u0026amp; Trackside Advantages\u003c\/h2\u003e\u003cp\u003eDon't let a worn component cost you a podium finish. While you might spend hours researching the best go kart tires for racing, neglecting your clutch engagement will negate any grip advantage you've gained. This individual replacement spring allows you to stock your toolbox efficiently, ensuring you always have the exact NASR spec component ready for a quick swap between heats.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpec Compliance:\u003c\/strong\u003e Meets exact NASR requirements for Honda GXH50 Kid Kart racing classes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Engagement:\u003c\/strong\u003e Restores precise RPM thresholds for timely clutch shoe expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Durability:\u003c\/strong\u003e Resists tension loss and fatigue during high-heat racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEven Wear Distribution:\u003c\/strong\u003e Promotes balanced contact against the clutch drum, extending shoe life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePit Lane Efficiency:\u003c\/strong\u003e Easy to install trackside, minimizing downtime between practice sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Quantity:\u003c\/strong\u003e Sold individually; requires exactly two springs per clutch assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaunch Consistency:\u003c\/strong\u003e Eliminates slipping for faster, more dependable standing starts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many springs do I need to replace in my Honda GXH50 clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You need exactly two springs per clutch assembly. We recommend replacing both at the same time to ensure even tension and balanced shoe expansion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs lose tensile strength over multiple heat cycles. For competitive racing, it is best practice to inspect them regularly and replace them if you notice inconsistent engagement or slipping during standing starts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these springs legal for all Kid Kart classes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, these are NASR spec red springs designed specifically to meet the requirements for Honda GXH50 Kid Kart racing classes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install these springs trackside?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. These springs are designed for easy installation, allowing you to perform quick maintenance or swaps between practice sessions and heats to keep your kart performing at its peak.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/honda-gxh50-stock-engine-gxh50-stock\"\u003eHonda GXH50 Kid Kart Engine - 49cc 3.5HP - Factory Sealed Kid Kart Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/honda-gxh50-spec-clutch-jk-hkkc15\"\u003eHonda GXH50 Spec Kid Kart Clutch - 15T #219 Drum - Kid Kart Class Legal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/honda-gxh50-spec-jet-52s-gxh50-cj52\"\u003eHonda GXH50 Spec Jet #52 for Optimized Kid Kart Fueling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/honda-kid-kart-throttle-swivel-52-501\"\u003eHonda Kid Kart Throttle Swivel for Smooth Cable Linkage\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/honda-kid-kart-throttle-return-spring-hkk-trs\"\u003eHonda Kid Kart Throttle Return Spring for Safe Operation\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honda","offers":[{"title":"Default Title","offer_id":52562634670398,"sku":"NASR","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/hondagxh50kidkartclutch-honda-gxh50-kid-kart-clutch-spring-sold-each-nasr.jpg?v=1763113322"},{"product_id":"nas-1900-2100rpm-black-spring-nasb","title":"Black Spring 1900-2100 RPM for Balanced Noram Clutch Performance","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMid-Range Focus:\u003c\/strong\u003e Engages smoothly at 1900-2100 RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Coil:\u003c\/strong\u003e Resists fatigue in repeated races.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Black Spring (SKU NASB) from Noram fine-tunes your GE Series clutch for even power delivery, enhancing drivability on mixed tracks. It organizes RPM matching, yielding consistent acceleration.\u003c\/p\u003e\u003cp\u003eRacers appreciate its role in maintaining momentum without harsh snaps, ideal for technical circuits.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary purpose of the Black Spring in a Nor-Am GE Series clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Black Spring is designed to fine-tune your clutch engagement to a mid-range of 1900-2100 RPM. It helps achieve smoother power delivery and consistent acceleration, making it an excellent choice for technical tracks where maintaining momentum is key.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 1900-2100 RPM engagement range affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This specific engagement range prevents the \"harsh snap\" often associated with higher-stall springs. By engaging at a lower, controlled RPM, you get a smoother transition of power, which improves drivability and helps you maintain better traction on mixed-surface or technical circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these springs durable enough for competitive racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the Black Spring features a durable coil construction specifically engineered to resist fatigue during repeated race cycles, ensuring your engagement point remains consistent throughout the race day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match this spring with other Nor-Am clutch components?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for the Nor-Am GE Series clutch. For optimal performance, ensure your clutch shoes and drum are in good condition. If you are looking to adjust your stall speed further, you may consider other springs in the Nor-Am lineup to find the perfect match for your engine's power band.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/noram-clutch-12t-light-shoes-narc12l\"\u003eAgile Nor-Am 12T Clutch with Light Shoes for Responsive Kart Handling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/noram-clutch-12t-heavy-shoes-narc12h\"\u003eNor-Am 12T Heavy Shoes Clutch for Enhanced Grip in Kart Drivetrains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/noram-clutch-11t-lite-shoes-narc11l\"\u003eLightweight Nor-Am 11T Clutch with Lite Shoes for Quick-Engaging Kart Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/noram-clutch-11t-hvy-shoes-narc11h\"\u003eNor-Am GE Series 11T Clutch with Heavy Shoes for Powerful Kart Torque\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nash-heavy-shoe-nash\"\u003eNor-Am Heavy Shoe for GE Series Clutch Enhanced Durability\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562635096382,"sku":"NASB","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amgeseriesclutch-nas-1900-2100rpm-black-spring-nasb.jpg?v=1763113329"},{"product_id":"nas-2040-2500rpm-red-spring-nasr","title":"Noram GE Series Red Clutch Spring - 2040-2500 RPM - Modified \u0026 Open Class","description":"\u003cp\u003eDialing in your engagement RPM is the difference between bogging down at the apex and rocketing out of the corner, which is why top drivers source their \u003cstrong\u003eracing gear\u003c\/strong\u003e specifically to match their engine's exact powerband. The Noram GE Series Red Spring (MPN: NASR) is engineered to deliberately delay centrifugal clutch engagement until the 2040-2500 RPM range. This critical delay allows high-revving modified engines to build peak torque before the clutch shoes finally bite the drum. Whether you are maximizing your \u003cstrong\u003ebriggs and stratton lo206 horsepower\u003c\/strong\u003e or running an aggressive open-track setup with a modified clone engine, this high-tension spring ensures your power hits the ground exactly when the engine is making its maximum output, eliminating sluggish low-end response.\u003c\/p\u003e\u003ch2\u003ePrecision Tuning Over a Go Kart Torque Converter\u003c\/h2\u003e\u003cp\u003eWhile a standard \u003cstrong\u003ego kart torque converter\u003c\/strong\u003e offers broad, variable power delivery suited for recreational off-road driving, competitive sprint racing demands the razor-sharp, instantaneous lockup of a finely tuned centrifugal clutch. The Noram Red Spring provides that explosive burst of acceleration by holding back the clutch shoes until your engine hits the optimal RPM threshold. This mechanical precision prevents premature engagement and keeps your kart squarely in the optimal power curve during tight, technical infield sections where momentum is everything.\u003c\/p\u003e\u003ch2\u003eSeamless Integration with Your Racing Setup\u003c\/h2\u003e\u003cp\u003eUpgrading your driveline components is just as critical to lowering your lap times as dialing in your \u003cstrong\u003eracing steering wheel\u003c\/strong\u003e feedback or optimizing your \u003cstrong\u003ebraking for parts\u003c\/strong\u003e longevity. The NASR red spring integrates flawlessly into your existing Noram GE or GE Ultimate clutch assembly, allowing for rapid, stress-free trackside adjustments. By swapping to this specific high-tension spring, you streamline your tuning process, organize your pit strategy, and gain a distinct competitive edge on fast, sweeping tracks that demand sustained top speeds and aggressive, high-RPM corner exits.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelayed Engagement Profile:\u003c\/strong\u003e Activates precisely between 2040 and 2500 RPM to guarantee explosive corner exits without engine bog.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tension Construction:\u003c\/strong\u003e Forged to resist heat fade, spring stretching, and tension loss during aggressive, high-heat racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Transfer:\u003c\/strong\u003e Keeps the engine in its peak torque range before clutch lockup, maximizing straightaway top speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrackside Adaptability:\u003c\/strong\u003e Brightly color-coded red for quick visual identification during rapid pit-area tuning changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriveline Synergy:\u003c\/strong\u003e Complements high-performance sprint setups far better than a standard go kart torque converter system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoram GE Compatibility:\u003c\/strong\u003e Engineered as a direct, drop-in fit for all Noram GE and GE Ultimate series centrifugal clutches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Runout:\u003c\/strong\u003e Maintains uniform shoe expansion for smooth, predictable power delivery lap after lap.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the Noram Red Spring is the right choice for my engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for modified and open-class engines that require a higher engagement point (2040-2500 RPM). If your engine is bogging down at the start or out of corners, this spring helps you reach your powerband faster by delaying clutch lockup until the engine is producing more torque.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Noram clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NASR Red Spring is specifically engineered as a direct, drop-in fit for the Noram GE and GE Ultimate series centrifugal clutches. It is not intended for use in other clutch models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your springs regularly for signs of heat fade, stretching, or tension loss. If you notice your engagement RPM dropping or becoming inconsistent, it is time to replace the springs to maintain peak performance and consistent lap times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different color springs in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For consistent and predictable power delivery, it is highly recommended to use a matching set of springs. Mixing different tension springs can cause uneven shoe expansion, leading to premature wear and erratic clutch engagement.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nor-am-clutch-13-thru-21-tooth-lite-shoes-specify-drum-size-narc-l\"\u003eNoram GE Series Lite Shoe Clutch - 13T #35 Chain - 4-Cycle Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nor-am-clutch-13-thru-21-tooth-heavy-shoes-specify-drum-size-narc-h\"\u003eNoram GE Series Heavy Shoe Clutch - 13T \/ #35 Chain - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/noram-drum-35-13t-nad13\"\u003eNoram GE Series 13T #35 Clutch Drum - Needle Bearing - Unrestricted Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultimate-heavy-shoe-sold-each-nau230\"\u003eNoram GE Ultimate Heavy Lined Shoe - Max Torque Transfer - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-2900-3600rpm-purple-spring-nasp\"\u003eNoram GE \u0026amp; Arena Purple Clutch Spring - 2900-3600 RPM - Pro Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noram","offers":[{"title":"Default Title","offer_id":52562635194686,"sku":"NASR","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amgeseriesclutch-nas-2040-2500rpm-red-spring-nasr.jpg?v=1763113330"},{"product_id":"nas-2470-2900rpm-white-spring-nasw","title":"White Spring 2470-2900 RPM for Aggressive Noram Clutch Tuning","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Profile:\u003c\/strong\u003e Engages at 2470-2900 RPM for peak power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Design:\u003c\/strong\u003e Endures intense sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe White Spring (SKU NASW) elevates Nor-Am GE clutches by delaying slip until optimal revs, perfect for powerband exploitation. It organizes your strategy around high-output runs, delivering thrilling acceleration.\u003c\/p\u003e\u003cp\u003eSuited for expert drivers on fast circuits, where every RPM counts.\u003c\/p\u003e\n\n\u003cdiv\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe White Spring (SKU NASW) is engineered for the Nor-Am GE clutch series, providing an aggressive engagement range of 2470-2900 RPM. By delaying clutch slip until the engine reaches its optimal powerband, this spring allows for more explosive acceleration out of corners. Its reinforced design ensures it can withstand the heat and stress of intense racing sessions, making it a top choice for expert drivers competing on fast, technical circuits.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 2470-2900 RPM engagement range affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring delays the clutch engagement until the engine reaches a higher RPM. This ensures that when the clutch does lock up, the engine is already operating within its peak powerband, resulting in significantly faster acceleration compared to lower-stall springs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Nor-Am clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This specific spring is designed for the Nor-Am GE series. Please verify your clutch model before installation to ensure proper fitment and performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Should I replace all springs at the same time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, for consistent clutch engagement and to prevent uneven wear on the clutch shoes, it is highly recommended to replace all springs in your clutch assembly simultaneously.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my clutch springs need replacing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you notice inconsistent engagement, a drop in acceleration, or if the kart feels sluggish coming out of corners, your springs may have lost their tension due to heat fatigue and should be inspected or replaced.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nash-heavy-shoe-nash\"\u003eNor-Am Heavy Shoe for GE Series Clutch Enhanced Durability\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/noram-clutch-11t-hvy-shoes-narc11h\"\u003eNor-Am GE Series 11T Clutch with Heavy Shoes for Powerful Kart Torque\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-3200-4000rpm-green-spring-nasg\"\u003eGreen Spring 3200-4000 RPM for Ultimate Noram Kart Clutch Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-2650-3200rpm-blue-spring-nasbl\"\u003eBlue Spring 2650-3200 RPM for Extreme Noram Kart Clutch Control\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-1900-2100rpm-black-spring-nasb\"\u003eBlack Spring 1900-2100 RPM for Balanced Noram Clutch Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562635227454,"sku":"NASW","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amgeseriesclutch-nas-2470-2900rpm-white-spring-nasw.jpg?v=1763113331"},{"product_id":"nas-2650-3200rpm-blue-spring-nasbl","title":"Blue Spring 2650-3200 RPM for Extreme Noram Kart Clutch Control","description":"\u003cp\u003eExtreme racing demands extreme parts— enter the Blue Spring (SKU NASBL), firing at 2650-3200 RPM in Nor-Am GE Series. It maximizes revs before lockup, fueling top-speed charges.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Threshold:\u003c\/strong\u003e For engines pushed to limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable Performance:\u003c\/strong\u003e No fade under pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis spring aids organized overhauls, focusing on power delivery. Unlock kart potential on velocity-driven courses with confident, high-RPM pulls.\u003c\/p\u003e\u003cp\u003eA choice for those redefining fast.\u003c\/p\u003e\n\n\u003cdiv\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eExtreme racing demands extreme parts—enter the Blue Spring (SKU NASBL), firing at 2650-3200 RPM in Nor-Am GE Series clutches. This spring is engineered to maximize revs before lockup, fueling aggressive top-speed charges on velocity-driven courses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Threshold:\u003c\/strong\u003e Specifically designed for engines pushed to their absolute limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable Performance:\u003c\/strong\u003e Engineered to resist fade under intense heat and pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Tuning:\u003c\/strong\u003e Aids in organized clutch overhauls, allowing you to dial in your power delivery for high-RPM pulls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary function of the Blue Spring in my Nor-Am clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Blue Spring acts as the tensioner that determines your clutch engagement RPM. By installing this spring, you set your engagement range between 2650-3200 RPM, allowing the engine to reach a higher power band before the clutch shoes lock onto the drum.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the 2650-3200 RPM range is right for my setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is ideal for racers looking to keep their engine in a higher RPM range during corner exit. If you find your engine is \"bogging\" or falling out of its power curve when exiting tight turns, a higher-stall spring like the Blue Spring can help keep your revs up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Nor-Am clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is specifically designed for the Nor-Am GE Series. Always ensure your clutch model is compatible before installation to ensure proper engagement and safety.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I replace all springs at the same time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. For balanced clutch engagement and to prevent uneven wear on your clutch shoes, it is highly recommended to replace all springs in the assembly simultaneously.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nash-heavy-shoe-nash\"\u003eNor-Am Heavy Shoe for GE Series Clutch Enhanced Durability\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/noram-clutch-12t-heavy-shoes-narc12h\"\u003eNor-Am 12T Heavy Shoes Clutch for Enhanced Grip in Kart Drivetrains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/noram-clutch-11t-hvy-shoes-narc11h\"\u003eNor-Am GE Series 11T Clutch with Heavy Shoes for Powerful Kart Torque\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-3200-4000rpm-green-spring-nasg\"\u003eGreen Spring 3200-4000 RPM for Ultimate Noram Kart Clutch Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-2470-2900rpm-white-spring-nasw\"\u003eWhite Spring 2470-2900 RPM for Aggressive Noram Clutch Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562635292990,"sku":"NASBL","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amgeseriesclutch-nas-2650-3200rpm-blue-spring-nasbl.jpg?v=1763113332"},{"product_id":"nas-2900-3600rpm-purple-spring-nasp","title":"Noram GE \u0026 Arena Purple Clutch Spring - 2900-3600 RPM - Pro Racing","description":"\u003cp\u003eWhen sourcing components from top go kart suppliers, serious racers know that mastering clutch engagement is the absolute difference between bogging down at the apex and rocketing down the straightaway. The Noram NA050 Purple Clutch Spring is engineered specifically for the Noram GE, GE Ultimate, and Arena series clutches, giving you the exact RPM hold needed for high-stakes speedway and sprint racing. By delaying shoe expansion until the 2900-3600 RPM window (depending on your shoe weight configuration), this spring ensures your engine stays deep in its peak torque band before transferring power to the drive-line.\u003c\/p\u003e\u003cp\u003eWhether you are bleeding your system with fresh brake oil or fine-tuning your chassis setup, your clutch calibration dictates how effectively that power reaches the ground. The purple spring is the definitive choice for builders who demand explosive drive out of tight hairpins. It prevents premature lock-up, allowing the engine to spool up and hit with maximum aggression when you finally roll onto the throttle.\u003c\/p\u003e\u003ch2\u003ePrecision Tuning Beyond Tire Tools and Chassis Setup\u003c\/h2\u003e\u003cp\u003eYou can spend hours in the pits with tire tools and pressure gauges, but if your clutch engages below your engine's powerband, your lap times will suffer. The Noram Purple Spring organizes your power delivery. In a Noram Arena clutch, expect a 2900 RPM engagement with heavy shoes, and a delayed 3600 RPM hit with light shoes. This versatility allows you to adapt to varying track conditions, grip levels, and engine builds.\u003c\/p\u003e\u003ch2\u003eComplete Your Build: From Catch Cans to Clutch Springs\u003c\/h2\u003e\u003cp\u003eA championship-winning kart requires harmony across all components. Just as you wouldn't run a high-revving engine without proper catch cans to manage fluid overflow, you shouldn't run a GE series clutch without the correct spring tension. Pair this aggressive clutch setup with the best go kart tires for racing, and you'll experience a massive improvement in corner-exit speed and overall drivetrain efficiency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak Rev Engagement:\u003c\/strong\u003e Precisely hits at 2900 RPM (heavy shoes) to 3600 RPM (light shoes) in Noram Arena clutches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for GE Series:\u003c\/strong\u003e Fully compatible with Noram GE, GE Ultimate, and Arena clutch systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Torque Transfer:\u003c\/strong\u003e Prevents engine bogging by holding RPMs until the engine reaches its optimal powerband.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElite Durability:\u003c\/strong\u003e Manufactured from high-tensile spring steel to withstand extreme heat and pro-level racing demands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTunable Performance:\u003c\/strong\u003e Allows racers to mix and match with different shoe weights for track-specific lock-up characteristics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Spring Rate:\u003c\/strong\u003e Resists thermal fatigue, ensuring your engagement point remains identical from the green flag to the final lap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Exact fit for Noram part number NA050, making trackside swaps fast and reliable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I choose between the 2900 and 3600 RPM engagement points?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The engagement RPM is determined by your shoe weight configuration. Use heavy shoes to achieve the lower 2900 RPM engagement for earlier power delivery, or switch to light shoes to delay engagement until 3600 RPM, which helps keep the engine in a higher powerband for tracks with tight, technical corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Noram clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this spring is specifically engineered for the Noram GE, GE Ultimate, and Arena series clutches. It is a direct replacement for part number NA050. Always verify your clutch model before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are subject to extreme heat and mechanical stress. If you notice your kart's engagement point becoming inconsistent or \"slipping\" at lower RPMs than usual, it is likely time to replace the springs to maintain peak performance and prevent thermal fatigue.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different spring colors in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a uniform set of springs across all shoes in your clutch. Mixing spring rates can cause uneven shoe expansion, leading to vibration, premature wear, and unpredictable power delivery.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nor-am-clutch-13-thru-21-tooth-lite-shoes-specify-drum-size-narc-l\"\u003eNoram GE Series Lite Shoe Clutch - 13T #35 Chain - 4-Cycle Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nor-am-clutch-13-thru-21-tooth-heavy-shoes-specify-drum-size-narc-h\"\u003eNoram GE Series Heavy Shoe Clutch - 13T \/ #35 Chain - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultimate-heavy-shoe-sold-each-nau230\"\u003eNoram GE Ultimate Heavy Lined Shoe - Max Torque Transfer - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultimate-light-shoe-sold-each-nau229\"\u003eNoram Ultimate Lightweight Lined Shoe - 3\/4\" Bore - NAU229\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-2040-2500rpm-red-spring-nasr\"\u003eNoram GE Series Red Clutch Spring - 2040-2500 RPM - Modified \u0026amp; Open Class\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noram","offers":[{"title":"Default Title","offer_id":52562635325758,"sku":"NASP","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amgeseriesclutch-nas-2900-3600rpm-purple-spring-nasp.jpg?v=1763113333"},{"product_id":"nas-3200-4000rpm-green-spring-nasg","title":"Green Spring 3200-4000 RPM for Ultimate Noram Kart Clutch Power","description":"\u003cp\u003eUltimate speed starts here: the Green Spring (SKU NASG) engages at 3200-4000 RPM in Nor-Am GE Series, holding power until the absolute limit. Perfect for unrestricted classes chasing records.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax RPM Hold:\u003c\/strong\u003e For top-velocity pursuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty:\u003c\/strong\u003e Thrives in extreme conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt facilitates organized extreme tuning, transforming your kart into a speed machine. Dominate with late, potent lockups that redefine racing pace.\u003c\/p\u003e\u003cp\u003eThe pinnacle for velocity-obsessed drivers.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary benefit of using the Green Spring (NASG) in my Nor-Am clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Green Spring is designed for high-RPM engagement (3200-4000 RPM). It is ideal for unrestricted racing classes where you need to hold power longer before the clutch locks up, allowing for a more aggressive launch and sustained top-end velocity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Nor-Am clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is specifically engineered for the Nor-Am GE Series. Please ensure your clutch model is compatible before installation to maintain optimal performance and safety.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does changing my clutch spring affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs control your engagement RPM. A higher-rated spring like this one forces the engine to reach a higher RPM before the clutch shoes engage the drum. This helps keep the engine in its power band during the start and out of tight corners, preventing bogging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I replace all springs at once?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, for consistent clutch engagement and to prevent uneven wear on your clutch shoes and drum, it is highly recommended to replace all springs in your clutch assembly simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance tips do you recommend for these springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect your springs for signs of heat fatigue, stretching, or deformation. If your engagement RPM begins to drop or becomes inconsistent, it is likely time to replace the springs to restore your kart's competitive edge.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nash-heavy-shoe-nash\"\u003eNor-Am Heavy Shoe for GE Series Clutch Enhanced Durability\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-4200-5500rpm-big-red-spring-nasrb\"\u003eNor-Am GE Series Big Red Clutch Spring - 4200-5500 RPM Engagement - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-3850-4900rpm-big-brown-spring-nasbrb\"\u003eNAS Big Brown Spring for 3850-4900 RPM High-Performance Clutch\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-3500-4400rpm-big-orange-spring-nasob\"\u003eNAS Big Orange Spring for 3500-4400 RPM Clutch Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-2650-3200rpm-blue-spring-nasbl\"\u003eBlue Spring 2650-3200 RPM for Extreme Noram Kart Clutch Control\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562635424062,"sku":"NASG","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amgeseriesclutch-nas-3200-4000rpm-green-spring-nasg.jpg?v=1763113336"},{"product_id":"nas-3500-4400rpm-big-orange-spring-nasob","title":"NAS Big Orange Spring for 3500-4400 RPM Clutch Engagement","description":"\u003cp\u003eUnlock superior clutch performance in your Nor-Am GE Series setup with this precision-engineered Big Orange Spring from NAS. Operating within the 3500-4400 RPM range, it delivers consistent engagement that minimizes power loss during critical acceleration phases. Kart enthusiasts know that the right spring can shave seconds off lap times by ensuring the clutch grabs efficiently without hesitation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey Engagement Range:\u003c\/strong\u003e Perfectly tuned for 3500-4400 RPM, matching mid-range engine speeds for balanced torque transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability Focus:\u003c\/strong\u003e Built from high-tensile materials to withstand repeated track abuse, maintaining shape and tension over countless races.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Integration:\u003c\/strong\u003e Direct fit for Nor-Am GE Series clutches, allowing quick swaps to optimize your drive-line for varying track conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you're fine-tuning for tight corners or straight-line speed, this spring helps maintain momentum, letting you focus on driving rather than mechanical worries. Pair it with other clutch parts for a seamless upgrade that elevates your kart's responsiveness. SKU: NASOB.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the Big Orange Spring is right for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for a 3500-4400 RPM engagement range. If you find your kart is sluggish off the corners or your engine is falling out of its power band during acceleration, this spring helps keep your RPMs in the optimal range for better drive-off.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Nor-Am clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Big Orange Spring is specifically engineered for the Nor-Am GE Series clutches. Always verify your specific clutch model before installation to ensure proper fitment and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are wear items. Over time, high-heat racing conditions can cause them to lose tension, leading to inconsistent engagement. We recommend inspecting your springs for signs of fatigue or deformation after every few race weekends to maintain consistent lap times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different spring colors in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a matching set of springs in your clutch. Mixing different spring rates can cause uneven engagement, leading to premature wear on your clutch shoes and drums, and unpredictable handling on the track.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What tools do I need to install this spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation typically requires basic hand tools to remove the clutch cover and access the spring assembly. Ensure you have the correct snap ring pliers if your specific GE Series configuration requires removing a retaining ring to access the springs.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nash-heavy-shoe-nash\"\u003eNor-Am Heavy Shoe for GE Series Clutch Enhanced Durability\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-4200-5500rpm-big-red-spring-nasrb\"\u003eNor-Am GE Series Big Red Clutch Spring - 4200-5500 RPM Engagement - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-3850-4900rpm-big-brown-spring-nasbrb\"\u003eNAS Big Brown Spring for 3850-4900 RPM High-Performance Clutch\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-3200-4000rpm-green-spring-nasg\"\u003eGreen Spring 3200-4000 RPM for Ultimate Noram Kart Clutch Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-2650-3200rpm-blue-spring-nasbl\"\u003eBlue Spring 2650-3200 RPM for Extreme Noram Kart Clutch Control\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562635456830,"sku":"NASOB","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amgeseriesclutch-nas-3500-4400rpm-big-orange-spring-nasob.jpg?v=1763113337"},{"product_id":"nas-3850-4900rpm-big-brown-spring-nasbrb","title":"NAS Big Brown Spring for 3850-4900 RPM High-Performance Clutch","description":"\u003cstrong\u003eWhy settle for sluggish clutch response when you can upgrade to the NAS Big Brown Spring?\u003c\/strong\u003e Tailored for 3850-4900 RPM engagement, this spring excels in demanding race scenarios, ensuring your Nor-Am GE Series clutch activates precisely when needed. It transforms engine power into track speed by preventing premature slip and promoting even wear across components.\u003cp\u003eImagine hitting the throttle and feeling immediate, controlled power surge— that's the advantage this spring brings. Its color-coded brown design makes identification easy during maintenance, while the high-quality construction resists fatigue from vibration and heat. For kart teams pushing limits, it's an essential tweak for refined performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOptimized for higher RPM bands to match aggressive driving styles.\u003c\/li\u003e\n\u003cli\u003eEnhances overall clutch longevity, cutting downtime between sessions.\u003c\/li\u003e\n\u003cli\u003eSeamless compatibility with existing GE Series hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIntegrate it into your setup for noticeable gains in responsiveness. SKU: NASBRB.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary purpose of the NAS Big Brown Spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed to increase your clutch engagement RPM to the 3850-4900 range. It is ideal for racers who need a higher stall speed to keep the engine in its power band during corner exits, preventing premature clutch slip.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Nor-Am clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NAS Big Brown Spring is specifically engineered for the Nor-Am GE Series clutch. Please ensure your clutch model is compatible before installation to ensure proper performance and safety.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if I need to switch to this spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you notice your kart feels sluggish off the corners or your current clutch engages too early for your engine's power curve, upgrading to a higher RPM spring like the Big Brown can help you achieve a more aggressive and responsive launch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the color-coding indicate anything other than the RPM range?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the brown color-coding is a standard Nor-Am identifier that allows mechanics and drivers to quickly verify the spring rate during trackside maintenance without needing to measure the tension manually.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I replace all springs at once?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For consistent clutch engagement and even wear across the shoes, it is highly recommended to replace all springs in your clutch assembly simultaneously rather than mixing different spring rates.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nash-heavy-shoe-nash\"\u003eNor-Am Heavy Shoe for GE Series Clutch Enhanced Durability\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-4200-5500rpm-big-red-spring-nasrb\"\u003eNor-Am GE Series Big Red Clutch Spring - 4200-5500 RPM Engagement - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-3500-4400rpm-big-orange-spring-nasob\"\u003eNAS Big Orange Spring for 3500-4400 RPM Clutch Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/noram-clutch-11t-hvy-shoes-narc11h\"\u003eNor-Am GE Series 11T Clutch with Heavy Shoes for Powerful Kart Torque\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/naacs-arena-clutch-spacer-naacs\"\u003eNor-Am Arena Clutch Spacer for Optimal Alignment and Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562635522366,"sku":"NASBRB","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amgeseriesclutch-nas-3850-4900rpm-big-brown-spring-nasbrb.jpg?v=1763113338"},{"product_id":"nas-4200-5500rpm-big-red-spring-nasrb","title":"Nor-Am GE Series Big Red Clutch Spring - 4200-5500 RPM Engagement - 4-Cycle Racing","description":"\u003cp\u003eMaximizing power transfer in high-revving go karts and parts setups requires a clutch spring that won't yield under extreme thermal loads, which is exactly why the Nor-Am Big Red Spring is engineered for a precise 4200-5500 RPM engagement. Built specifically for the Nor-Am GE Series clutch, this high-tension spring delays shoe expansion until your engine hits its optimal torque band. When you are pushing your equipment to the absolute limit, standard springs fatigue and lose their tension, causing premature slippage and excessive heat buildup. The NASRB Big Red Spring utilizes high-tensile, heat-treated steel to maintain its structural integrity and consistent stall speed, lap after grueling lap.\u003c\/p\u003e\u003ch2\u003eOptimizing Go Karts and Parts for High-RPM Engagement\u003c\/h2\u003e\u003cp\u003eWhether you are piecing together a fresh build from a bare go karts frame for sale or fine-tuning an existing race chassis, drivetrain reliability is paramount. A slipping clutch generates catastrophic heat that can warp drums and destroy shoes, leaving you stranded on the track. By installing this heavy-duty red spring, you ensure a solid, aggressive lock-up that translates every ounce of horsepower directly to the rear axle. It is the perfect complement to other critical safety and performance upgrades, from heavy-duty chain guards that protect your drivetrain to a responsive go kart brake kit that hauls you down at the end of the straightaway.\u003c\/p\u003e\u003ch2\u003eDrivetrain Reliability Beyond Chain Guards and Go Kart Brake Kits\u003c\/h2\u003e\u003cp\u003eProfessional racers know that consistency wins championships. The Nor-Am Big Red Spring eliminates the variable of clutch fade, giving you a predictable throttle response every time you roll onto the pedal. Just like a precision go kart steering wheel upgrade provides better tactile feedback, this spring provides a distinct, aggressive engagement feel that lets you know exactly when the power is being put to the ground. Don't let a fatigued, sagging clutch spring rob you of your podium finish. Upgrade to the NASRB and experience bulletproof reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive 4200-5500 RPM Stall:\u003c\/strong\u003e Delays clutch engagement to keep the engine in its peak powerband during corner exit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-Treated Spring Steel:\u003c\/strong\u003e Resists thermal fatigue and tension loss even under extreme racing temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Nor-Am GE Fitment:\u003c\/strong\u003e Engineered specifically as a drop-in replacement for Nor-Am GE Series centrifugal clutches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Premature Slippage:\u003c\/strong\u003e Provides a hard, positive lock-up to reduce friction-induced heat and shoe wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Visibility Red Coating:\u003c\/strong\u003e Color-coded for quick identification in your trackside toolbox and tech inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Lap-to-Lap Performance:\u003c\/strong\u003e Maintains exact stall speed throughout the duration of long feature races.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Built to withstand the violent torsional loads of modified 4-cycle racing engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the Big Red Spring is the right engagement speed for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 4200-5500 RPM engagement range is designed for high-revving 4-cycle racing engines. If your engine is falling out of its powerband during corner exit, this spring will help keep your RPMs higher before the clutch locks up, providing a more aggressive launch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Nor-Am clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is specifically engineered for the Nor-Am GE Series clutch. It is a direct drop-in replacement for that specific series. Always verify your clutch model before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are wear items. If you notice your kart engaging at a lower RPM than usual, or if you experience \"clutch fade\" during a race, your springs have likely fatigued and lost their tension. We recommend keeping a spare set in your trackside toolbox for consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different color-coded springs in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a matching set of springs in your clutch to ensure even shoe expansion. Mixing spring tensions can lead to uneven wear on your clutch shoes and drum, resulting in poor handling and potential drivetrain damage.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nash-heavy-shoe-nash\"\u003eNor-Am Heavy Shoe for GE Series Clutch Enhanced Durability\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na108-green-spring-na108\"\u003eNor-Am NA108 Green Clutch Spring - 3700 RPM Star \/ 2550 RPM MiniCup Stall - Racing Kart Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na107-purple-spring-na107\"\u003eNA107 Purple Spring 3400 RPM Star and 2400 RPM MiniCup Stall\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-3850-4900rpm-big-brown-spring-nasbrb\"\u003eNAS Big Brown Spring for 3850-4900 RPM High-Performance Clutch\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-3500-4400rpm-big-orange-spring-nasob\"\u003eNAS Big Orange Spring for 3500-4400 RPM Clutch Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562635555134,"sku":"NASRB","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amgeseriesclutch-nas-4200-5500rpm-big-red-spring-nasrb.jpg?v=1763113339"},{"product_id":"tcs-3100rpm-blue-spring-tcsbl","title":"Premier Titan Blue Clutch Spring - 3100 RPM - 4-Cycle Racing","description":"\u003cp\u003eAs the premier karting store for serious racers, we know that achieving the perfect launch off the grid requires bulletproof driveline components. The Premier Titan 3100 RPM Blue Clutch Spring (TCSBL) is engineered to deliver a balanced, predictable engagement point that maximizes power transfer without sacrificing durability. Designed specifically for the rigorous demands of 4-cycle racing, this high-tensile steel spring prevents the dreaded bogging down at the start while simultaneously eliminating premature clutch slip. When you are fighting for tenths of a second, having a clutch spring that resists thermal fatigue and maintains its exact tension rating over a grueling race weekend is absolutely essential.\u003c\/p\u003e\u003ch2\u003eOptimizing Your Driveline Beyond the Motor Mount\u003c\/h2\u003e\u003cp\u003eSecuring your engine with a rigid motor mount is only the first step in building a reliable driveline. Power delivery is everything. You can spend hours in the pits dialing in your tillotson carburetor or perfectly tuning an lo206 carburetor kit, but if your clutch engagement is inconsistent, all that horsepower is wasted before it ever reaches the rear axle. The Premier Titan Blue Spring standardizes your clutch engagement at exactly 3100 RPM, ensuring that your kart hooks up predictably every single time you roll onto the throttle.\u003c\/p\u003e\u003cp\u003eBecause this spring is built for extreme durability, you will spend less time wrenching and more time turning laps. Just make sure your fuel cans are topped off, because the fade-resistant performance of the TCSBL spring means your clutch will outlast the competition, even in the most demanding endurance events.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications \u0026amp; Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3100 RPM Engagement Point:\u003c\/strong\u003e Delivers a balanced, predictable power transfer ideal for medium-to-high grip tracks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Steel Construction:\u003c\/strong\u003e Engineered to resist thermal fatigue and maintain consistent tension lap after lap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremier Titan Compatibility:\u003c\/strong\u003e Direct-fit replacement for all standard Premier Titan clutch assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFade-Resistant Performance:\u003c\/strong\u003e Prevents premature clutch slip even under extreme racing temperatures and heavy loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Tuning Capability:\u003c\/strong\u003e Allows racers to fine-tune their launch characteristics for improved hole shots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Maintenance Downtime:\u003c\/strong\u003e Quick and easy to swap in the pits, getting you back on track faster.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Spring Rates:\u003c\/strong\u003e Manufactured to strict tolerances to ensure repeatable engagement every race.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are running local club races or national-level events, the Premier Titan Blue Spring is the ultimate reliability upgrade for your clutch system.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the 3100 RPM Blue Spring is the right choice for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 3100 RPM engagement point is ideal for medium-to-high grip tracks where you need a balanced launch. If you find your engine is bogging down off the corner, you may need a higher RPM spring, while a lower engagement point might be better for slicker track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Premier Titan clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the TCSBL is a direct-fit replacement designed specifically for standard Premier Titan clutch assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are subject to thermal fatigue over time. For competitive racing, it is recommended to check your engagement RPM regularly. If you notice your kart's launch consistency dropping or the engagement RPM shifting, it is time to swap in a fresh set of springs to maintain peak performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different color springs in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a matching set of springs to ensure even engagement and balanced pressure on the clutch shoes. Mixing spring rates can lead to uneven wear and unpredictable handling off the grid.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcsh-titan-clutch-shoe-sold-each-three-required-tcsh\"\u003eIndividual Titan Clutch Shoe - Set of Three for Complete Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tchs-titan-clutch-hub-shaft-tchs\"\u003eHigh-Strength Titan Clutch Hub Shaft for Optimal Kart Power Flow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcab-titan-turned-clutch-drum-less-driver-tcab\"\u003ePrecision Titan Turned Clutch Drum Without Driver for Superior Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcs-3600rpm-green-spring-tcsg\"\u003ePremier Titan 3600 RPM Green Clutch Spring - Aggressive Engagement - LO206 \/ Clone\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcs-4000rpm-yellow-spring-tcsy\"\u003eTitan 4000 RPM Yellow Spring for Elite Kart Clutch Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Premier","offers":[{"title":"Default Title","offer_id":52562636144958,"sku":"TCSBL","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/titan-tcs-3100rpm-blue-spring-tcsbl.jpg?v=1763113352"},{"product_id":"tcs-3600rpm-green-spring-tcsg","title":"Premier Titan 3600 RPM Green Clutch Spring - Aggressive Engagement - LO206 \/ Clone","description":"\u003cp\u003eDialing in the exact clutch engagement RPM is the ultimate difference between bogging down at the apex and rocketing down the straightaway for high-performance go karts. The Premier Titan 3600 RPM Green Spring (MPN: TCSG) is engineered specifically for racers demanding aggressive, high-threshold clutch bite. Designed for the Premier Titan clutch system, this heavy-duty green spring delays shoe expansion until precisely 3600 RPM, keeping your engine race-ready in the meat of its powerband before transferring rotational mass to the drive-line. Whether you are running a modified clone or fine-tuning your setup alongside a fresh lo206 carburetor kit, achieving optimal lock-up is critical for minimizing slip and maximizing acceleration.\u003c\/p\u003e\u003ch2\u003ePrecision Tuning for Your Engine Race Setup\u003c\/h2\u003e\u003cp\u003eWhen you install parts new to your drivetrain, predictability is everything. The TCSG green spring increases the shoe pressure threshold, meaning your clutch won't engage prematurely during low-speed technical sections. This translates to a sharper, more violent power delivery exactly when you mash the throttle. It's the ultimate tuning component for tracks that demand heavy braking followed by immediate, high-torque corner exits.\u003c\/p\u003e\u003ch2\u003ePremier Titan Green Spring Key Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3600 RPM Engagement:\u003c\/strong\u003e Precisely calibrated to hold off clutch lock-up until 3600 RPM, ideal for high-torque mid-range powerbands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Power Transfer:\u003c\/strong\u003e Maximizes shoe pressure at engagement to eliminate sluggish acceleration and clutch slipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Steel Construction:\u003c\/strong\u003e Resists heat fade and tension loss even under extreme competitive racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Direct drop-in replacement for all Premier Titan clutch systems, making trackside tuning effortless.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Bite Point:\u003c\/strong\u003e Delivers predictable, repeatable engagement lap after lap, allowing drivers to trust their throttle inputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for 4-Cycle:\u003c\/strong\u003e Pairs flawlessly with high-output 4-cycle setups, complementing upgrades like a performance carburetor kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Drivetrain Lag:\u003c\/strong\u003e Instantly translates engine RPM into forward momentum, drastically improving your hole-shot.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't let a weak clutch spring rob your kart of its true potential. By upgrading to the Premier Titan Green Spring, you ensure that every ounce of horsepower generated by your engine is efficiently delivered to the rear axle. Perfect for competitive sprint racing and heavy-duty oval tracks, this spring is a mandatory addition to your tuning arsenal.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 3600 RPM green spring affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By delaying clutch engagement until 3600 RPM, this spring allows your engine to reach a higher point in its powerband before the clutch locks up. This results in more aggressive acceleration and prevents the engine from bogging down when exiting tight corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the Premier Titan Green Spring compatible with all Premier Titan clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this spring is a direct drop-in replacement designed specifically for the Premier Titan clutch system. It is an excellent choice for 4-cycle racing setups like the LO206 or modified clones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many springs do I need to replace?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to replace all springs in your clutch assembly simultaneously to ensure even pressure and consistent engagement. Since the Titan clutch uses three shoes, you should purchase three springs to maintain a balanced setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different color springs in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, you should always use the same color spring on all shoes within a single clutch assembly. Mixing spring tensions will cause uneven shoe engagement, leading to clutch slippage, premature wear, and inconsistent handling on the track.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcsh-titan-clutch-shoe-sold-each-three-required-tcsh\"\u003eIndividual Titan Clutch Shoe - Set of Three for Complete Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcs-4200rpm-orange-spring-tcso\"\u003eExtreme 4200 RPM Orange Spring for Titan Kart Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcs-4000rpm-yellow-spring-tcsy\"\u003eTitan 4000 RPM Yellow Spring for Elite Kart Clutch Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcs-3100rpm-blue-spring-tcsbl\"\u003ePremier Titan Blue Clutch Spring - 3100 RPM - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcab-titan-turned-clutch-drum-less-driver-tcab\"\u003ePrecision Titan Turned Clutch Drum Without Driver for Superior Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Premier","offers":[{"title":"Default Title","offer_id":52562636177726,"sku":"TCSG","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/titan-tcs-3600rpm-green-spring-tcsg.jpg?v=1763113353"},{"product_id":"tcs-3800rpm-red-spring-tcsr","title":"Premier Titan Red Clutch Spring - 3800 RPM - Racing Class","description":"\u003cp\u003eAs a leading go kart shop, we know that dialing in your clutch engagement is the difference between bogging down at the apex and rocketing down the straightaway. The Premier Titan 3800 RPM Red Spring is engineered specifically for high-revving racing engines that demand an aggressive, instantaneous power delivery. When you are pushing your kart to the absolute limit, relying on stock clutch components will only result in energy waste and excessive heat buildup. This precision-wound red spring ensures your clutch shoes make firm, decisive contact with the drum at exactly 3800 RPM, translating your engine's raw horsepower directly to the tarmac.\u003c\/p\u003e\u003ch2\u003eSynergize Your Drivetrain and Kart Wheels\u003c\/h2\u003e\u003cp\u003ePower is useless if it doesn't reach the track efficiently. By upgrading to the Premier Titan Red Spring, you optimize your powerband for sprint races and tight, technical circuits. The 3800 RPM engagement point is ideal for keeping your engine in its peak torque range. When you accelerate out of a hairpin, the immediate bite of the clutch works in perfect harmony with your lightweight kart wheels, minimizing rotational mass delays and maximizing forward thrust. Every component must work together; a slipping clutch will negate the advantages of even the most advanced chassis setups.\u003c\/p\u003e\u003ch2\u003ePrecision Control: From Kart Pedals to Brake Calliper Parts\u003c\/h2\u003e\u003cp\u003eProfessional racers understand that momentum management is a delicate balance of throttle and braking. When you transition from your kart pedals back to the throttle after heavy braking, the Titan Red Spring guarantees a crisp re-engagement without the sloppy lag found in lower-tension springs. This predictable bite allows you to confidently trail-brake deep into corners, knowing your drivetrain will respond instantly when you demand power. Just as you rely on high-quality brake calliper parts to shed speed consistently, you need this competition-grade clutch spring to apply power flawlessly lap after lap.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications \u0026amp; Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Engagement:\u003c\/strong\u003e Precisely calibrated to engage at 3800 RPM for maximum corner-exit acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Steel Construction:\u003c\/strong\u003e Resists thermal breakdown and tension loss under extreme racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Shoe Contact:\u003c\/strong\u003e Promotes firmer, more uniform shoe-to-drum friction, reducing slippage and glazing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitan Compatibility:\u003c\/strong\u003e Designed as a direct drop-in replacement for Premier Titan and Mini-Cup clutch systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Spring Rate:\u003c\/strong\u003e Manufactured to strict tolerances to ensure identical performance across all clutch shoes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Dissipation Synergy:\u003c\/strong\u003e Reduces the friction-induced heat that typically robs power from high-revving setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSprint Race Ready:\u003c\/strong\u003e The ultimate upgrade for organized competitive racing classes requiring rapid power onset.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 3800 RPM engagement point affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 3800 RPM engagement point is designed to keep your engine in its peak torque range during corner exits. By delaying engagement until 3800 RPM, you prevent the engine from \"bogging\" at low speeds, allowing for more aggressive acceleration out of tight corners compared to stock springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the Premier Titan Red Spring compatible with other clutch brands?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is specifically engineered as a direct drop-in replacement for Premier Titan and Mini-Cup clutch systems. We do not recommend using it in other clutch brands, as the tension and dimensions are calibrated specifically for the Titan shoe geometry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are subject to extreme heat and mechanical stress. We recommend inspecting your springs for signs of tension loss or uneven wear after every race weekend. If you notice your clutch engaging at a lower RPM than usual or experiencing \"slippage,\" it is time to replace the set to maintain consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I replace all springs in the clutch at the same time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. To ensure balanced engagement and uniform shoe-to-drum contact, always replace all springs in your clutch assembly simultaneously. Mixing old and new springs can cause uneven engagement, leading to vibration and premature wear on your clutch shoes and drum.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scsh-stinger-clutch-shoe-scsh\"\u003ePremier Stinger Individual Clutch Shoe - High-Friction Lining - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Premier","offers":[{"title":"Default Title","offer_id":52562636210494,"sku":"TCSR","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/titan-tcs-3800rpm-red-spring-tcsr.jpg?v=1763113354"},{"product_id":"tcs-4000rpm-yellow-spring-tcsy","title":"Titan 4000 RPM Yellow Spring for Elite Kart Clutch Tuning","description":"\u003cul\u003e\n\u003cli\u003e\n\u003ci\u003ePrecision at Peak RPM:\u003c\/i\u003e The TCS 4000 RPM Yellow Spring targets elite performance in Titan clutches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirm Engagement:\u003c\/strong\u003e Activates at 4000 RPM for setups needing late but powerful hook-up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLongevity:\u003c\/b\u003e Resilient design withstands repeated high-stress cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor drivers chasing every tenth of a second, this spring refines clutch behavior, delivering explosive starts without overwhelming the chassis. It aids in systematic tuning, keeping your kart's response sharp and predictable.\u003c\/p\u003e\u003cp\u003eSKU: TCSY.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary benefit of using the 4000 RPM Yellow Spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for a late, powerful engagement. By delaying the clutch lock-up until 4000 RPM, it allows the engine to reach a higher power band before the kart begins to move, which is ideal for tracks requiring explosive starts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Titan clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the TCS Yellow Spring is specifically engineered for the Titan clutch system. It is a standard tuning component used to adjust the stall speed of your clutch assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many springs do I need to replace?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to replace all springs in your clutch simultaneously to ensure even engagement. Since the Titan clutch typically utilizes three shoes, you should purchase three springs to maintain balanced performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix this 4000 RPM spring with other spring colors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, you should always use a matching set of springs. Mixing different spring rates will cause the clutch shoes to engage at different times, leading to uneven wear, vibration, and poor handling characteristics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your springs for signs of fatigue or heat damage after every few race weekends. If you notice your engagement RPM dropping or the kart feeling \"sluggish\" off the corner, it is likely time to install a fresh set of springs.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcsh-titan-clutch-shoe-sold-each-three-required-tcsh\"\u003eIndividual Titan Clutch Shoe - Set of Three for Complete Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tchs-titan-clutch-hub-shaft-tchs\"\u003eHigh-Strength Titan Clutch Hub Shaft for Optimal Kart Power Flow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcab-titan-turned-clutch-drum-less-driver-tcab\"\u003ePrecision Titan Turned Clutch Drum Without Driver for Superior Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcs-4200rpm-orange-spring-tcso\"\u003eExtreme 4200 RPM Orange Spring for Titan Kart Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcs-3600rpm-green-spring-tcsg\"\u003ePremier Titan 3600 RPM Green Clutch Spring - Aggressive Engagement - LO206 \/ Clone\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Premier","offers":[{"title":"Default Title","offer_id":52562636276030,"sku":"TCSY","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/titan-tcs-4000rpm-yellow-spring-tcsy.jpg?v=1763113355"},{"product_id":"scsp-2800rpm-blue-spring-scspbl","title":"2800 RPM Blue Stinger Spring for Balanced Mid-Range Power","description":"\u003cul\u003e\n\u003cli\u003eBlue hue signals 2700-2900 RPM window for easy setup verification.\u003c\/li\u003e\n\u003cli\u003eModerate stiffness promotes progressive shoe contact, avoiding abrupt locks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTrack versatility demands adaptability, and this spring provides it by timing engagement for optimal mid-range pull, where most racing unfolds.\u003c\/p\u003e\u003cp\u003eExperience fewer bog-downs in variable conditions, as it syncs with engine curves for fluid power delivery. A favorite among all-rounders seeking reliability across heats.\u003c\/p\u003e\u003cp\u003eEnhance your kart's responsiveness without overcomplicating tunes.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary benefit of the 2800 RPM Blue Stinger Spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed to engage in the 2700-2900 RPM range, providing a balanced, progressive power delivery that helps prevent bogging down in mid-range corners, making it ideal for all-around track versatility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the Blue spring is the right choice for my setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Blue spring is best for racers looking for smooth, predictable engagement. If you find your kart is struggling to maintain momentum out of tight corners or if you want to avoid the abrupt \"lock-up\" feel of stiffer springs, the 2800 RPM spring is an excellent starting point.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it difficult to install these clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While installation is straightforward, it requires removing the clutch drum to access the shoe assembly. We recommend ensuring your clutch hub and mounting hardware are in good condition whenever you swap springs to ensure consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different Stinger spring colors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For optimal balance and to prevent uneven wear on your clutch shoes, it is highly recommended to use a matching set of springs across all shoes in your Stinger clutch assembly.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sch-stinger-clutch-hub-sch\"\u003eTriangle-Shaped Stinger Clutch Hub for Stable Shoe Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scd-stinger-billet-drum-not-lo-206-legal-scd\"\u003eStinger SCD Billet Clutch Drum - Less Driver - Non-LO206\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ap144-stinger-clutch-mounting-kit-ap144\"\u003eOEM Stinger Clutch Mounting Kit with Chamfered Spacer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sccs-stinger-clutch-stepped-crank-spacer-sccs\"\u003ePrecision Stinger Clutch Stepped Crank Spacer for Optimal Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sck-stinger-clutch-key-sck\"\u003eGenuine OEM Stinger Clutch Key for Secure Shaft Connection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stinger","offers":[{"title":"Default Title","offer_id":52562637226302,"sku":"SCSPBL","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/stinger-scsp-2800rpm-blue-spring-scspbl.jpg?v=1763113379"},{"product_id":"scsp-3100rpm-orange-spring-scspo","title":"3100 RPM Orange Stinger Spring for High-Speed Tracks","description":"\u003cp\u003eSpeed is in the details— this Orange Spring holds back until 3100 RPM, unleashing full power for sustained high-velocity runs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOrange marking aids in rapid identification during frantic pit stops.\u003c\/li\u003e\n\u003cli\u003eFirm tension supports aggressive driving styles on open layouts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for circuits favoring momentum, it reduces early slip, channeling energy efficiently to the rear for blistering pace. Racers gain confidence in straights, knowing the clutch won't grab prematurely.\u003c\/p\u003e\u003cp\u003ePair with gearing for peak synergy, turning your kart into a straight-line bullet.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose the 3100 RPM Orange Spring over other Stinger spring colors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 3100 RPM Orange Spring is specifically designed for high-speed tracks where maintaining momentum is key. It engages at a lower RPM than our performance-extreme springs, making it ideal for layouts that require sustained high-velocity runs rather than constant stop-and-go acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 3100 RPM engagement affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By holding the clutch until 3100 RPM, this spring reduces early slippage. This allows the engine to reach a more efficient power band before fully engaging, resulting in better energy transfer to the rear wheels and a more consistent pace on long straights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Stinger clutch setups?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this spring is designed to work within the Stinger clutch ecosystem. For optimal performance and safety, ensure your clutch hub and drum are in good condition before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different spring colors in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a uniform set of springs to ensure balanced engagement. Mixing spring rates can cause uneven clutch wear and unpredictable handling characteristics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are wear items. You should inspect them regularly for signs of fatigue or loss of tension. If you notice your kart's engagement RPM dropping or the clutch slipping prematurely, it is time to replace the set.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scd-stinger-billet-drum-not-lo-206-legal-scd\"\u003eStinger SCD Billet Clutch Drum - Less Driver - Non-LO206\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sch-stinger-clutch-hub-sch\"\u003eTriangle-Shaped Stinger Clutch Hub for Stable Shoe Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sccs-stinger-clutch-stepped-crank-spacer-sccs\"\u003ePrecision Stinger Clutch Stepped Crank Spacer for Optimal Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scsp-3400rpm-black-spring-scspb\"\u003e3400 RPM Black Stinger Spring for Aggressive Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scsp-2800rpm-blue-spring-scspbl\"\u003e2800 RPM Blue Stinger Spring for Balanced Mid-Range Power\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stinger","offers":[{"title":"Default Title","offer_id":52562637324606,"sku":"SCSPO","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/stinger-scsp-3100rpm-orange-spring-scspo.jpg?v=1763113380"},{"product_id":"scsp-3400rpm-black-spring-scspb","title":"3400 RPM Black Stinger Spring for Aggressive Acceleration","description":"\u003cp\u003eDelay for dominance: the Black Spring waits until 3400 RPM, then clamps down hard for explosive torque delivery.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBlack color denotes higher threshold for specialized tunes.\u003c\/li\u003e\n\u003cli\u003eRobust coil withstands repeated high-stress cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOn twisty ovals, this timing lets you feather the throttle through apexes, then surge ahead with full engagement. It transforms hesitant power into a relentless drive, ideal for weight-class battles.\u003c\/p\u003e\u003cp\u003eLess wear on shoes from partial slips means longer intervals between services.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose the 3400 RPM Black Spring over other Stinger spring colors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The black spring is designed for a higher engagement threshold. It is ideal for racers who need to hold the engine at a higher RPM before full clutch lock-up, providing more aggressive acceleration out of tight corners compared to lower-RPM springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does a higher engagement spring affect clutch shoe wear?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By delaying engagement until 3400 RPM, the clutch spends less time in the \"slip\" phase. This reduces heat buildup and friction wear on your clutch shoes, leading to longer service intervals and more consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 3400 RPM Black Spring compatible with my current Stinger clutch setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, these springs are designed to be a direct replacement for Stinger clutch systems. Ensure your clutch hub and drum are in good condition when swapping springs to maintain proper alignment and engagement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different RPM springs in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a matching set of springs. Mixing different RPM springs will cause uneven engagement, leading to vibration, inconsistent power delivery, and premature wear on your clutch components.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scd-stinger-billet-drum-not-lo-206-legal-scd\"\u003eStinger SCD Billet Clutch Drum - Less Driver - Non-LO206\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sch-stinger-clutch-hub-sch\"\u003eTriangle-Shaped Stinger Clutch Hub for Stable Shoe Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ap144-stinger-clutch-mounting-kit-ap144\"\u003eOEM Stinger Clutch Mounting Kit with Chamfered Spacer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sccs-stinger-clutch-stepped-crank-spacer-sccs\"\u003ePrecision Stinger Clutch Stepped Crank Spacer for Optimal Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sck-stinger-clutch-key-sck\"\u003eGenuine OEM Stinger Clutch Key for Secure Shaft Connection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stinger","offers":[{"title":"Default Title","offer_id":52562637422910,"sku":"SCSPB","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/stinger-scsp-3400rpm-black-spring-scspb.jpg?v=1763113381"},{"product_id":"scsp-3800rpm-yellow-spring-scspy","title":"3800 RPM Yellow Stinger Spring for Top-End Focus","description":"\u003cul\u003e\n\u003cli\u003eYellow indicates elevated 3800 RPM point for speed-centric applications.\u003c\/li\u003e\n\u003cli\u003ePrecise winding ensures reliable expansion timing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHold the revs high— this spring postpones engagement, letting your engine scream freely before locking in for the push.\u003c\/p\u003e\u003cp\u003eSuited to flat-out tracks, it preserves momentum, turning qualifying laps into record-setters. Drivers feel the freedom in wide-open sections, with grip arriving just in time for braking zones.\u003c\/p\u003e\u003cp\u003eA key to unlocking hidden potential in tuned motors.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary benefit of upgrading to the 3800 RPM Yellow Stinger Spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring increases your clutch engagement point to 3800 RPM. By postponing engagement, it allows your engine to reach a higher, more powerful RPM range before the clutch locks in, which is ideal for maintaining momentum on high-speed, flat-out tracks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 3800 RPM Yellow Spring suitable for tight, technical tracks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is specifically designed for speed-centric applications. If you are racing on a track with many tight corners where you need aggressive low-end acceleration, you may prefer a lower RPM spring. The 3800 RPM spring is best for tracks where you want to keep the engine \"screaming\" in the power band.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this spring is compatible with my current clutch setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for Stinger clutch systems. Ensure your clutch hub and drum are in good condition before installation. If you are tuning your motor for higher performance, this spring is a key component to help you reach your engine's hidden potential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I replace all springs at the same time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, for consistent clutch engagement and balanced wear, it is highly recommended to replace all clutch springs simultaneously. Mixing springs with different tension ratings will cause uneven engagement and potential damage to your clutch shoes and drum.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scd-stinger-billet-drum-not-lo-206-legal-scd\"\u003eStinger SCD Billet Clutch Drum - Less Driver - Non-LO206\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sch-stinger-clutch-hub-sch\"\u003eTriangle-Shaped Stinger Clutch Hub for Stable Shoe Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ap144-stinger-clutch-mounting-kit-ap144\"\u003eOEM Stinger Clutch Mounting Kit with Chamfered Spacer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sccs-stinger-clutch-stepped-crank-spacer-sccs\"\u003ePrecision Stinger Clutch Stepped Crank Spacer for Optimal Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sck-stinger-clutch-key-sck\"\u003eGenuine OEM Stinger Clutch Key for Secure Shaft Connection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stinger","offers":[{"title":"Default Title","offer_id":52562637553982,"sku":"SCSPY","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/stinger-scsp-3800rpm-yellow-spring-scspy.jpg?v=1763113382"},{"product_id":"scsp-4200rpm-purple-spring-scspp","title":"4200 RPM Purple Stinger Spring for Extreme High-RPM Builds","description":"\u003cp\u003eRadical revs require radical parts— the Purple Spring engages at 4200 RPM, perfect for overbored or piped engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePurple marking for high-end specialist identification.\u003c\/li\u003e\n\u003cli\u003eExtra tension handles intense vibrational stresses.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn unrestricted classes, it maximizes airflow and rev potential, delaying drag until the perfect moment. Feel the surge as power finally connects, propelling you past rivals.\u003c\/p\u003e\u003cp\u003eFor those engineering edge-of-limit karts, this is the tune that tips scales.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose the 4200 RPM Purple Spring over lower-rated springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 4200 RPM Purple Spring is designed for high-RPM builds, such as overbored or piped engines. It delays clutch engagement to a higher RPM, allowing your engine to reach its power band before the clutch locks up, which is essential for maximizing performance in unrestricted racing classes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this spring is compatible with my current clutch setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for Stinger clutch systems. Because it provides extra tension to handle intense vibrational stresses, ensure your clutch drum and hub are in good condition to handle the increased engagement force.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different spring colors in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a uniform set of springs to ensure balanced engagement. Mixing spring rates can cause uneven wear on your clutch shoes and erratic engagement, which will negatively impact your kart's handling and acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are wear items that lose tension over time due to heat and constant cycling. If you notice your kart engaging at a lower RPM than usual or experiencing \"slipping\" during acceleration, it is time to replace your springs to maintain peak performance.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scsp-4600rpm-white-spring-scspw\"\u003e4600 RPM White Stinger Spring for Peak Performance Extremes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scsp-3800rpm-yellow-spring-scspy\"\u003e3800 RPM Yellow Stinger Spring for Top-End Focus\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scd-stinger-billet-drum-not-lo-206-legal-scd\"\u003eStinger SCD Billet Clutch Drum - Less Driver - Non-LO206\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sch-stinger-clutch-hub-sch\"\u003eTriangle-Shaped Stinger Clutch Hub for Stable Shoe Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sccs-stinger-clutch-stepped-crank-spacer-sccs\"\u003ePrecision Stinger Clutch Stepped Crank Spacer for Optimal Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stinger","offers":[{"title":"Default Title","offer_id":52562637750590,"sku":"SCSPP","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/stinger-scsp-4200rpm-purple-spring-scspp.jpg?v=1763113387"},{"product_id":"scsp-4600rpm-white-spring-scspw","title":"4600 RPM White Stinger Spring for Peak Performance Extremes","description":"\u003cul\u003e\n\u003cli\u003eWhite color flags the 4600 RPM extreme threshold.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty coil for sustained high-speed operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUltimate delay for ultimate speed— this spring lets the motor wind tight before unleashing chaos.\u003c\/p\u003e\u003cp\u003eTailored to outlaw mods, it slashes parasitic losses, focusing energy on velocity. The result? Heart-stopping accelerations that redefine fast.\u003c\/p\u003e\u003cp\u003eReserved for bold builders unafraid of the edge.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary purpose of the 4600 RPM White Stinger Spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for high-performance, outlaw-modified engines. It holds the clutch engagement until the engine reaches 4600 RPM, allowing the motor to wind up fully before engaging for maximum acceleration and velocity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring suitable for standard LO206 racing classes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a heavy-duty, high-RPM spring intended for custom, non-restricted, or outlaw builds. It is designed for builders who need to push their engine's power band to the extreme.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does changing my clutch spring affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The clutch spring determines your engagement RPM. A higher RPM spring, like this 4600 RPM white spring, forces the engine to reach a higher power output before the clutch locks up, which can significantly improve your launch and acceleration out of tight corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different color Stinger springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For consistent clutch engagement and to prevent uneven wear on your clutch shoes and drum, it is highly recommended to use a matching set of springs across all shoes.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scsp-4200rpm-purple-spring-scspp\"\u003e4200 RPM Purple Stinger Spring for Extreme High-RPM Builds\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scsp-3800rpm-yellow-spring-scspy\"\u003e3800 RPM Yellow Stinger Spring for Top-End Focus\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scd-stinger-billet-drum-not-lo-206-legal-scd\"\u003eStinger SCD Billet Clutch Drum - Less Driver - Non-LO206\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sch-stinger-clutch-hub-sch\"\u003eTriangle-Shaped Stinger Clutch Hub for Stable Shoe Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ap144-stinger-clutch-mounting-kit-ap144\"\u003eOEM Stinger Clutch Mounting Kit with Chamfered Spacer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stinger","offers":[{"title":"Default Title","offer_id":52562637816126,"sku":"SCSPW","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/stinger-scsp-4600rpm-white-spring-scspw.jpg?v=1763113388"},{"product_id":"scsp-5100rpm-green-spring-scspg","title":"Premier Stinger 5100 RPM Green Clutch Spring - Max Rev Engagement - Pro Racing","description":"\u003cp\u003eWhen sourcing elite \u003cstrong\u003eracing go kart parts\u003c\/strong\u003e, true competitors know that clutch engagement dictates the holeshot. The Premier Stinger 5100 RPM Green Spring is engineered specifically for screamers built to shatter limits, holding off engagement until the engine reaches the optimal 5100 RPM powerband. This prevents bogging and ensures that your kart launches with explosive, slingshot-like force. Built with a strict focus on durability and reliability, this spring resists heat fade and mechanical fatigue even under the most punishing track conditions.\u003c\/p\u003e\u003ch2\u003eSynergy with High-Output Carburetor Engines\u003c\/h2\u003e\u003cp\u003eHigh-revving \u003cstrong\u003ecarburetor engines\u003c\/strong\u003e demand a clutch setup that allows them to spool up freely without premature drag. By delaying engagement until 5100 RPM, the Green Stinger Spring eliminates low-end bottlenecks. Your engine operates purely in its peak torque curve, delivering unchecked RPM climbs and relentless acceleration out of the apex.\u003c\/p\u003e\u003ch2\u003eOutlasting Standard Drive-Train Parts\u003c\/h2\u003e\u003cp\u003eRacing environments destroy inferior components. Designed to outlast standard drive-\u003cstrong\u003etrain parts\u003c\/strong\u003e, this heavy-duty spring maintains its tension and structural integrity heat cycle after heat cycle. Engineered for minimal compression loss in extreme scenarios, it guarantees consistent lock-up lap after lap, ensuring your clutch cartridge operates flawlessly when the checkered flag is on the line.\u003c\/p\u003e\u003ch2\u003ePower Delivery That Complements Premium Go Kart Tires\u003c\/h2\u003e\u003cp\u003eEven if you are running the \u003cstrong\u003ebest go kart tires for racing\u003c\/strong\u003e, a sluggish clutch will leave you vulnerable at the starting line. The aggressive 5100 RPM engagement transfers power instantly to the tarmac, maximizing grip and minimizing wasted energy. It is the ultimate upgrade for speed chasers looking to redefine their kart's velocity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5100 RPM Engagement:\u003c\/strong\u003e Specifically calibrated for ultra-high output engine configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreen Color-Coded:\u003c\/strong\u003e Denotes the highest engagement band in the Premier Stinger lineup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Durability:\u003c\/strong\u003e Heat-treated steel resists tension loss and mechanical fatigue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Lock-Up:\u003c\/strong\u003e Engineered for minimal compression variance during intense heat cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlingshot Acceleration:\u003c\/strong\u003e Eliminates low-RPM bogging for explosive launches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCartridge Compatibility:\u003c\/strong\u003e Drops seamlessly into the Premier Stinger shoe\/spring\/hub cartridge system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Racing Reliability:\u003c\/strong\u003e Trusted by elite builders to withstand the rigors of competitive karting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose the 5100 RPM Green Spring over lower engagement springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 5100 RPM Green Spring is designed for high-output engines that need to reach a higher powerband before engaging the clutch. By delaying engagement, you prevent low-end bogging and ensure your engine stays in its peak torque curve for maximum acceleration out of corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with my existing Premier Stinger clutch setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this spring is specifically engineered to drop seamlessly into the Premier Stinger shoe\/spring\/hub cartridge system, making it a direct replacement for your current setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the Premier Stinger Green Spring is built for extreme durability and heat resistance, you should inspect it regularly for signs of tension loss or mechanical fatigue. If you notice inconsistent lock-up or a drop in your launch RPM, it is time to replace the springs to maintain peak performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different color-coded springs in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a uniform set of springs to ensure balanced engagement. Mixing different spring tensions can cause uneven wear on your clutch shoes and lead to unpredictable handling and power delivery.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scsh-stinger-clutch-shoe-scsh\"\u003ePremier Stinger Individual Clutch Shoe - High-Friction Lining - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcs-3800rpm-red-spring-tcsr\"\u003ePremier Titan Red Clutch Spring - 3800 RPM - Racing Class\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Premier Clutches","offers":[{"title":"Default Title","offer_id":52562637848894,"sku":"SCSPG","price":7.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/stinger-scsp-5100rpm-green-spring-scspg.jpg?v=1763113389"},{"product_id":"bully-clutch-spring-085-black-bcsb","title":"Bully Clutches 6-Spring Black Clutch Spring - .085\" Wire - Adult \u0026 Junior Sprint","description":"\u003cp\u003eDialing in your engagement RPM is the most critical step when upgrading your racing parts for competitive karting. The Bully Clutches .085\" Black Spring (MPN: 098-086) delivers a highly balanced tension rate specifically engineered for 6-spring clutch configurations. By providing a medium-stiff engagement profile, this spring allows the clutch shoes to slip optimally at lower RPMs before locking up precisely at peak torque. This translates to explosive corner exits and reduced bogging under heavy engine load. Whether you are running a high-horsepower modified clone or a standard Briggs animal, tuning your slip points with the .085\" black spring ensures your power band is maximized on every straightaway.\u003c\/p\u003e\u003ch2\u003eSynergy with Wheel Hub Assembly Parts\u003c\/h2\u003e\u003cp\u003ePower transfer doesn't stop at the crankshaft. Once your Bully clutch locks up, the kinetic energy must travel seamlessly through the chain, axle, and directly into your wheel hub assembly parts. If your clutch engages too early, the engine lugs, causing a ripple effect of inefficiency that even the best hubs and bearings can't fix. The .085\" black spring delays engagement just enough to keep the engine in its optimal power curve, ensuring that the rotational force delivered to your rear axle is aggressive and sustained.\u003c\/p\u003e\u003ch2\u003eIntegrating with Cycle Parts and Drivetrain Components\u003c\/h2\u003e\u003cp\u003ePrecision tuning requires consistency across all cycle parts and drivetrain elements. The .085\" black spring is manufactured from high-tensile, heat-treated steel to resist thermal fade during extended heat cycles. Unlike cheaper alternatives that lose tension after a few races, the Bully 098-086 maintains its exact spring rate. The black color-coding allows pit crews to quickly identify the spring weight in a multi-spring stack, preventing mismatched tension rates that lead to uneven shoe wear and erratic lock-up.\u003c\/p\u003e\u003ch2\u003eBeyond Standard Wheel Accessories\u003c\/h2\u003e\u003cp\u003eWhile many racers focus purely on tires and wheel accessories to find grip, the real secret to lowering lap times lies in clutch management. A balanced tension rate reduces the shock load on your drivetrain, preventing wheel spin on low-grip surfaces while maximizing traction when you need it most. Fine-tune your Bully 1\" Turbo or standard 6-spring clutch with these black springs to achieve the ultimate holeshot.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e.085\" Wire Diameter:\u003c\/strong\u003e Provides a balanced, medium-stiff tension rate for optimal slip-to-lock ratios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-Treated Steel:\u003c\/strong\u003e Resists thermal degradation and tension loss during extreme racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor-Coded Black:\u003c\/strong\u003e Ensures rapid identification and prevents mismatched spring stacking in the pits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePredictable Engagement:\u003c\/strong\u003e Delivers consistent centrifugal force to the clutch shoes for smooth, repeatable lock-up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Engineered specifically for Bully 6-spring clutches, including the 1\" Turbo models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Transfer:\u003c\/strong\u003e Keeps the engine in its peak torque band before fully transferring power to the axle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Drivetrain Shock:\u003c\/strong\u003e Smooths out power delivery to protect your chain, sprockets, and rear assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the .085\" black spring is the right choice for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The .085\" black spring provides a medium-stiff engagement profile. If you are experiencing engine bogging at corner exit, this spring helps delay engagement slightly to keep your engine in its peak torque band longer before full lock-up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix different spring wire diameters in my Bully 6-spring clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While some tuners experiment with mixed spring rates to fine-tune engagement, it is generally recommended to use a uniform set to ensure even pressure on the clutch plates. The black color-coding makes it easy to identify and maintain a consistent set of six springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are subject to extreme heat cycles which can lead to tension loss over time. If you notice your engagement RPM dropping or inconsistent lock-up, it is time to replace your springs to maintain peak performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these springs compatible with all Bully clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These springs are specifically engineered for Bully 6-spring clutch configurations, including the popular 1\" Turbo models. Always verify your specific clutch model's spring requirements before installation.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-turbo-pressure-plate-bcppt\"\u003eBully 1\" Turbo Pressure Plate - Progressive Engagement - Dirt Oval \u0026amp; Sprint\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-floater-plate-110-bcfp110\"\u003eBully 1\" Turbo .110 Floater Plate - Four-Disk Clutch Standard - Sprint \u0026amp; Oval\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-1-turbo-driver-14-tooth-35-bcd14star\"\u003eBully Clutches 1\" Turbo Clutch Driver - 14-Tooth #35 Chain - Sprint \u0026amp; Oval Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-1-turbo-steel-retaining-washer-short-bc098-605\"\u003eBully 1\" Turbo Short Steel Retaining Washer - High-Strength Fastener - Open\/Modified Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-outer-thrust-washer-bcotw\"\u003eBully Clutches 3\/4\" Outer Thrust Washer - BCOTW Thrust Load Management - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bully Clutches","offers":[{"title":"Default Title","offer_id":52562642239806,"sku":"BCSB","price":3.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/bully1turbo-bully-clutch-spring-085-black-bcsb.jpg?v=1763113482"},{"product_id":"bully-clutch-spring-090-red-bcsr","title":"Medium .090\" Red Bully Clutch Spring for Enhanced Grip","description":"\u003cp\u003eThe red .090\" Bully Clutch Spring strikes a perfect medium, ideal for karts needing firmer resistance to handle higher torques without slipping prematurely.\u003c\/p\u003e\u003cp\u003e\u003cem\u003ePerformance Edge:\u003c\/em\u003e It allows earlier lock-up, channeling more power to the wheels for rapid acceleration out of slow sections.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eColor-coded red for easy sorting.\u003c\/li\u003e\n\u003cli\u003eRobust wire for longevity.\u003c\/li\u003e\n\u003cli\u003eFits 3\/4\" and turbo models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRacers appreciate how this spring organizes multi-spring setups, ensuring balanced forces that extend disc life. By fine-tuning engagement, it helps maintain momentum, crucial for overtakes. SKU: BCSR. Use it to adapt to sticky tracks, where extra grip prevents wheel spin, saving precious seconds. Its medium rate complements stock engines, promoting efficient fuel use and consistent laps. Keep your pit box tidy with these identifiable springs, focusing energy on driving fast.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I choose the .090\" Red Bully Clutch Spring over other sizes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The .090\" red spring is a medium-rate option. It is best used when you need firmer resistance to prevent premature slipping under higher torque, or when you need to adapt to a track with extra grip where you want to avoid wheel spin during acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this spring affect my kart's acceleration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By providing a medium resistance, this spring allows for an earlier lock-up compared to lighter springs. This channels more power to the wheels, helping you accelerate more rapidly out of slow corners and maintain momentum.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with my current clutch setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These springs are designed to fit both 3\/4\" and turbo Bully clutch models. They are color-coded for easy identification, making them ideal for organizing multi-spring setups to ensure balanced forces across your clutch discs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to replace all my springs at once?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For consistent performance and balanced engagement, it is highly recommended to replace your springs as a complete set. Using mixed spring rates can lead to uneven pressure on the friction discs, causing premature wear and inconsistent clutch engagement.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-spring-height-gauge-bcshg\"\u003eBully Clutch Spring Height Gauge for Accurate Measurements\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-spring-adjuster-nut-10-32-thread-bcsn\"\u003e10-32 Thread Bully Clutch Spring Adjuster Nut for Fine Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-friction-disc-oem-8-tab-bcfd\"\u003eOEM Bully Clutch 8-Tab Friction Disc for Superior Grip\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-spring-067-purple-bcsp\"\u003ePurple .067\" Bully Clutch Spring for Custom Engagement Rates\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-spring-100-blue-bcsbl\"\u003eStiff .100\" Blue Bully Clutch Spring for High-Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bully","offers":[{"title":"Default Title","offer_id":52562642338110,"sku":"BCSR","price":3.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/bully1turbo-bully-clutch-spring-090-red-bcsr.jpg?v=1763113483"},{"product_id":"bully-clutch-spring-100-blue-bcsbl","title":"Stiff .100\" Blue Bully Clutch Spring for High-Performance","description":"\u003cp\u003ePush boundaries with the blue .100\" Bully Clutch Spring, its stiff profile designed for engines that thrive at peak revs, locking in power for unrelenting speed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Stiffness:\u003c\/strong\u003e Delays slip for maximum torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBlue Identifier:\u003c\/b\u003e Simplifies inventory management.\u003c\/li\u003e\n\u003cli\u003eIdeal for modified or high-output karts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis spring transforms clutch behavior, allowing sustained high speeds on straights while organizing your stack for even compression. It reduces modulation needs, letting you concentrate on lines. For 3\/4\" clutches, it pairs well with performance discs, enhancing overall drivetrain efficiency. SKU: BCSBL. Track teams use it to counter power surges, preventing bogging and promoting clean shifts. Its durability means fewer changes, keeping your race routine streamlined and focused on winning.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I use the .100\" Blue Bully Clutch Spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The .100\" blue spring is a stiff option designed for high-performance or modified engines. It is best used when you need to delay clutch engagement to reach higher peak revs and prevent bogging during acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this spring affect my kart's clutch performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By increasing the stiffness of your clutch stack, this spring helps maintain higher torque and sustained speeds on straights. It reduces the need for constant modulation, allowing you to focus on your racing lines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with my current clutch setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for 3\/4\" Bully clutches. It is ideal for racers looking to organize their stack for even compression and works best when paired with high-quality performance friction discs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if I need a stiffer spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you notice your engine is bogging out of corners or failing to reach its power band, a stiffer spring like the blue .100\" can help hold the clutch disengaged longer, allowing the engine to build more RPM before locking in.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-friction-disc-oem-8-tab-bcfd\"\u003eOEM Bully Clutch 8-Tab Friction Disc for Superior Grip\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-spring-height-gauge-bcshg\"\u003eBully Clutch Spring Height Gauge for Accurate Measurements\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-spring-adjuster-nut-10-32-thread-bcsn\"\u003e10-32 Thread Bully Clutch Spring Adjuster Nut for Fine Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-floater-plate-100-bcfp100\"\u003e.100\" Bully Floater Plate for Middle Stack Positioning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bully-clutch-shim-010-silver-bcs010\"\u003eSilver .010\" Bully Clutch Shim for Accurate Clutch Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bully","offers":[{"title":"Default Title","offer_id":52562642370878,"sku":"BCSBL","price":3.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/bully1turbo-bully-clutch-spring-100-blue-bcsbl.jpg?v=1763113485"},{"product_id":"mtds072-spring-set-white-9pcs-mtds072","title":"White Spring Set for Max-Torque Draggin Skin Clutches (9 Pieces)","description":"\u003cp\u003eStruggling with clutch slip that slows your kart? Dive into the solution with this White Spring Set, nine meticulously crafted pieces that restore and enhance your Draggin Skin clutch's responsiveness.\u003c\/p\u003e\u003cp\u003eThese white springs are tuned for moderate tension, ideal for a wide range of engine outputs, ensuring smooth transitions from idle to full throttle without jerking or delay. In kart racing, where precision is everything, this set helps you maintain control during aggressive maneuvers, translating to quicker exits from turns and stronger straight-line speed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Max-Torque Draggin Skin series\u003c\/li\u003e\n\u003cli\u003ePromotes even wear across clutch components\u003c\/li\u003e\n\u003cli\u003eFacilitates easy adjustments for track-specific setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBeyond performance gains, the set aids in trackside organization by simplifying maintenance—swap them out quickly to keep your pit area efficient. Durable against the stresses of vibration and heat, they outlast generic alternatives, keeping you focused on winning rather than repairs. For junior or senior racers, integrating these springs means a more predictable drive-line that builds confidence lap by lap.\u003c\/p\u003e\u003cp\u003eSKU: MTDS072 elevates your racing toolkit, turning potential weaknesses into strengths for that podium finish.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if I need to replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you notice your kart experiencing clutch slip, inconsistent engagement, or a sluggish response when accelerating out of corners, it is likely time to inspect your springs. If the springs have lost their tension or show signs of heat fatigue, replacing them with a fresh set will restore your clutch's responsiveness.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these white springs compatible with all Max-Torque clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These springs are specifically designed for the Max-Torque Draggin Skin series. Please ensure your clutch model is part of the Draggin Skin line to ensure proper fitment and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many springs should I replace at once?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to replace all nine springs in the set simultaneously. Replacing the entire set ensures even tension across all clutch shoes, which promotes balanced wear and predictable, smooth engagement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these springs to tune my engagement RPM?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, changing spring tension is a common way to tune your clutch. The white springs are tuned for moderate tension. If you find your engine is struggling to reach its power band, you may experiment with different spring rates to adjust your engagement point to better suit your track conditions.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtdsc2pc-max-torque-draggin-skin-clutch-no-sprocket-2025-model-mtdsc2pc-24\"\u003e2025 Model Max-Torque Draggin Skin (FITS LO206) 2PC Clutch with drum - Without Sprocket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/max-torque-draggin-skin-2pc-clutch-tool-mtdsc2pctool\"\u003e2-Piece Clutch Tool for Max-Torque Draggin Skin Maintenance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtdsshp-max-powdered-metal-shoe-set-newest-type-set-of-three-mtdsshp\"\u003ePowdered Metal Shoe Set for Max-Torque Clutches (Set of 3, Newest Design)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtds075-spring-set-pink-9pcs-mtds075\"\u003ePink Spring Set for Precision Kart Clutch Tuning (9 Pieces)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtds064-spring-set-purple-9pcs-mtds064\"\u003ePurple Spring Set for Draggin Skin Clutches (9 Pieces)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Max-Torque","offers":[{"title":"Default Title","offer_id":52562649743678,"sku":"MTDS072","price":22.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/max-torquedragginskin-mtds072-spring-set-white-9pcs-mtds072.jpg?v=1763113623"},{"product_id":"mtds075-spring-set-pink-9pcs-mtds075","title":"Pink Spring Set for Precision Kart Clutch Tuning (9 Pieces)","description":"\u003cp\u003ePicture your kart surging forward without a hint of hesitation— that's the promise of the Pink Spring Set, a nine-piece powerhouse for your Draggin Skin clutch.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngineered for high-RPM durability\u003c\/li\u003e\n\u003cli\u003eProvides progressive tension for versatile tuning\u003c\/li\u003e\n\u003cli\u003eSuits aggressive racing styles in various classes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis set stands out with its pink coloration, signaling premium quality in the Max-Torque lineup. The springs are designed to handle the torque demands of modern kart engines, ensuring quick shoe expansion for immediate power application. On the track, this means less time building speed and more time pulling away from the pack, especially in sprint races where every moment counts.\u003c\/p\u003e\u003cp\u003eFor better organization at the kart track, these springs make recalibration simple, allowing you to adapt to changing conditions like temperature or fuel mixes without hassle. Their robust construction resists fatigue, so your clutch performs reliably race after race, reducing the need for frequent replacements and keeping your focus on strategy.\u003c\/p\u003e\u003cp\u003eIncorporate this kit to harmonize with weights and drums, creating a drive-line symphony that propels you faster. SKU: MTDS075 is more than parts—it's your ticket to refined, race-winning performance.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary purpose of the Pink Spring Set in a Draggin Skin clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Pink Spring Set is designed to provide progressive tension, allowing for precise clutch engagement tuning. These springs help manage high-RPM power delivery, ensuring the clutch shoes expand effectively for immediate acceleration out of corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the Pink springs are the right choice for my racing class?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Pink springs are typically used for aggressive racing styles. They are ideal for drivers looking to optimize their engagement RPM to match specific track conditions, fuel mixes, or engine performance profiles. If you find your kart is sluggish off the line, a stiffer spring set like the pinks can help you reach your power band faster.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these springs compatible with all Max-Torque clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These springs are specifically engineered for the Max-Torque Draggin Skin clutch system. They are designed to work in harmony with the Draggin Skin shoe and drum assembly to ensure consistent, fatigue-resistant performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match these springs with other colors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While some tuners experiment with mixed spring sets to fine-tune engagement, it is generally recommended to use a full set of nine matching springs to ensure balanced shoe expansion and prevent uneven wear on your clutch components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are subject to high heat and mechanical stress. You should inspect them regularly for signs of fatigue or loss of tension. If you notice inconsistent engagement or a drop in performance, replacing the set is a cost-effective way to restore your clutch's responsiveness.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtdsc2pc-max-torque-draggin-skin-clutch-no-sprocket-2025-model-mtdsc2pc-24\"\u003e2025 Model Max-Torque Draggin Skin (FITS LO206) 2PC Clutch with drum - Without Sprocket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/max-torque-draggin-skin-2pc-clutch-tool-mtdsc2pctool\"\u003e2-Piece Clutch Tool for Max-Torque Draggin Skin Maintenance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtdsshp-max-powdered-metal-shoe-set-newest-type-set-of-three-mtdsshp\"\u003ePowdered Metal Shoe Set for Max-Torque Clutches (Set of 3, Newest Design)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtds072-spring-set-white-9pcs-mtds072\"\u003eWhite Spring Set for Max-Torque Draggin Skin Clutches (9 Pieces)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtds064-spring-set-purple-9pcs-mtds064\"\u003ePurple Spring Set for Draggin Skin Clutches (9 Pieces)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Max-Torque","offers":[{"title":"Default Title","offer_id":52562649776446,"sku":"MTDS075","price":22.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/max-torquedragginskin-mtds075-spring-set-pink-9pcs-mtds075.jpg?v=1763113624"},{"product_id":"mtdswts10-draggin-skin-10-gram-weight-kit-mtdswts10","title":"Draggin Skin 10 Gram Weight Kit for Enhanced Clutch Tuning","description":"\u003cp\u003eWhy settle for average acceleration when you can dial in perfection? The Draggin Skin 10 Gram Weight Kit empowers kart racers to customize their clutch for peak performance, ensuring every ounce of engine power translates to track speed without waste.\u003c\/p\u003e\n\u003cp\u003eThis nine-piece set, complete with a snap ring, offers versatile weighting options that adapt to various track conditions and engine specs. Three weights come standard in the latest 2024 Pink Spring Clutch, proving their value in high-stakes racing. By adjusting these 10-gram pieces, you can achieve smoother clutch engagement, quicker throttle response, and better overall drivetrain harmony—key factors in pulling ahead during crucial overtakes.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Max-Torque Draggin Skin series\u003c\/li\u003e\n\u003cli\u003eEnhances low-end torque for faster starts\u003c\/li\u003e\n\u003cli\u003eDurable construction for repeated race use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTrackside tweaks become effortless, allowing you to experiment with setups that suit your driving style, whether it's a technical course or a high-speed oval. The result? Less wear on your clutch components and more consistent lap times that keep you in contention. This kit isn't just an add-on; it's a strategic tool for staying organized and competitive at the kart track, where every gram counts toward victory. SKU: MTDSWTS10\u003c\/p\u003e\n\u003cp\u003eRacers praise its role in minimizing power loss, turning potential slip into solid grip. Integrate it into your maintenance routine for a drive-line that's as reliable as it is fast.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do these 10-gram weights affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Adding weight to your Draggin Skin clutch increases the centrifugal force applied to the shoes. This typically results in a more aggressive, solid engagement, which can improve low-end torque and provide a faster, more consistent launch off the corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match these weights with other sizes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While you can experiment with different configurations, it is generally recommended to keep the weight distribution balanced across the clutch shoes to prevent uneven wear and vibration. Always ensure the total weight remains within the manufacturer's recommended range for your specific engine class.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if I need to adjust my clutch weights?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you are experiencing excessive clutch slip, sluggish acceleration out of tight corners, or inconsistent lap times, adjusting your weight kit is a great way to \"dial in\" your engagement. If your engine is bogging down, you may need to adjust your weight or spring tension to match your power band.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit compatible with all Max-Torque clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This kit is specifically designed for the Max-Torque Draggin Skin series. Please verify your clutch model before installation to ensure proper fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is included in the kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This is a nine-piece set that includes the 10-gram weights and the necessary snap ring for secure installation within your clutch assembly.\u003c\/p\u003e\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtdsc2pc-max-torque-draggin-skin-clutch-no-sprocket-2025-model-mtdsc2pc-24\"\u003e2025 Model Max-Torque Draggin Skin (FITS LO206) 2PC Clutch with drum - Without Sprocket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/max-torque-draggin-skin-2pc-clutch-tool-mtdsc2pctool\"\u003e2-Piece Clutch Tool for Max-Torque Draggin Skin Maintenance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtdsshp-max-powdered-metal-shoe-set-newest-type-set-of-three-mtdsshp\"\u003ePowdered Metal Shoe Set for Max-Torque Clutches (Set of 3, Newest Design)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtds075-spring-set-pink-9pcs-mtds075\"\u003ePink Spring Set for Precision Kart Clutch Tuning (9 Pieces)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtds072-spring-set-white-9pcs-mtds072\"\u003eWhite Spring Set for Max-Torque Draggin Skin Clutches (9 Pieces)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Max-Torque","offers":[{"title":"Default Title","offer_id":52562650431806,"sku":"MTDSWTS10","price":16.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/max-torquedragginskin-mtdswts10-draggin-skin-10-gram-weight-kit-mtdswts10.jpg?v=1773753732"},{"product_id":"na104-red-spring-na104","title":"Noram Star \u0026 MiniCup NA104 Red Clutch Spring - 2500\/1700 RPM Stall - 4-Cycle Racing","description":"\u003cp\u003eDialing in your engagement RPM is the most critical tuning adjustment you can make on the track, and when it comes to high-performance go karts and parts, the Noram NA104 Red Spring delivers the exact tension profile needed for explosive corner exits. Engineered specifically for the Noram Star and MiniCup clutch systems, this high-tensile spring dictates exactly when your engine's power meets the asphalt. By setting the stall speed to 2500 RPM on a Star clutch or 1700 RPM on a MiniCup setup, drivers can perfectly align their engagement point with the engine's optimal torque curve, eliminating the dreaded low-end bog that costs precious tenths of a second.\u003c\/p\u003e\u003ch2\u003eMastering Your Go Kart Clutch Engagement\u003c\/h2\u003e\u003cp\u003eA race is won and lost in the corners. While many drivers obsess over their chassis dynamics or rush to shop tires for mechanical grip, the secret to a blistering lap time lies in your driveline's transition. The NA104 Red Spring provides a controlled slip that feeds power progressively, preventing sudden traction loss while keeping the engine in its sweet spot. Whether you are running a heavy load on an incline or navigating a tight technical sector, this spring ensures your go kart clutch operates with absolute predictability. Pair this precise engagement with a properly tuned lo206 carburetor kit, and you'll dominate the low-end acceleration zones from the drop of the green flag.\u003c\/p\u003e\u003ch2\u003ePrecision Tuning Beyond Parts Brake and Chassis Setup\u003c\/h2\u003e\u003cp\u003eTrackside efficiency is just as important as on-track performance. While you might focus heavily on your parts brake setup to dive deeper into the apex, your exit speed relies entirely on how quickly you can get back on the throttle without bogging the motor. The vivid red powder-coated finish of the NA104 spring isn't just for show; it allows mechanics to instantly identify the tension rating in a crowded toolbox, making rapid gear and clutch recalibrations seamless. Built from heat-resistant spring steel, it maintains its tension profile even under extreme friction and thermal load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Application Stall Rating:\u003c\/strong\u003e Precisely calibrated to deliver a 2500 RPM stall on Noram Star and a 1700 RPM stall on MiniCup clutches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Transfer:\u003c\/strong\u003e Eliminates low-gear bogging by allowing the engine to reach peak torque before full shoe lock-up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Spring Steel:\u003c\/strong\u003e Resists heat fade, thermal sagging, and tension loss during grueling sprint or endurance races.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVivid Red Color-Coding:\u003c\/strong\u003e Instantly identifiable in your pit box for rapid, error-free trackside tuning changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Slip Profile:\u003c\/strong\u003e Delivers predictable, smooth engagement lap after lap, which is crucial for maintaining momentum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e A direct OEM replacement for standard Noram clutch springs, requiring zero modifications to install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompetitive Edge:\u003c\/strong\u003e Maximizes acceleration out of tight hairpins when paired with an optimized driveline and sprocket ratio.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the NA104 Red Spring is the right choice for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NA104 Red Spring is designed for specific stall speeds: 2500 RPM for the Noram Star clutch and 1700 RPM for the MiniCup. If you are experiencing low-end bogging out of corners, this spring helps your engine reach its peak torque curve before full engagement, providing a more explosive exit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the NA104 spring difficult to install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a direct OEM replacement for standard Noram clutch springs. It requires no modifications to your existing clutch assembly, making it a quick and easy trackside swap.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match this spring with other color-coded springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For consistent clutch performance and balanced engagement, it is highly recommended to use a matching set of springs across all clutch shoes. Mixing different tension springs will cause uneven engagement and premature wear on your clutch shoes and drum.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are subject to extreme thermal load and friction. You should inspect them for signs of heat fade or tension loss regularly. If you notice your engagement RPM dropping or the kart feeling \"sluggish\" off the line, it is likely time to replace your springs to maintain peak performance.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nac079-shoe-for-star-clutch-sold-each-three-required-nac079\"\u003eNoram STAR Clutch Replacement Shoe - NAC079 High Friction - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nasd14-billet-14t-35-star-drum-nasd14\"\u003eNoram Star Billet Clutch Drum - 14-Tooth #35 Pitch - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nasd13-billet-13t-35-star-drum-nasd13\"\u003eNoram Star NASD13 Billet 13-Tooth #35 Clutch Drum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nad762-billet-13t-35-drum-nad762\"\u003eNoram MiniCup Billet 13-Tooth #35 Clutch Drum - 13T \/ #35 Pitch - MiniCup Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na106-blue-spring-na106\"\u003eNoram NA106 Blue Clutch Spring - 3100 RPM Star \/ 2100 RPM Mini-Cup\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noram","offers":[{"title":"Default Title","offer_id":52562651218238,"sku":"NA104","price":8.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-na104-red-spring-na104.jpg?v=1763113655"},{"product_id":"na105-white-spring-na105","title":"NA105 White Spring 2800 RPM Star and 1850 RPM MiniCup Stall","description":"\u003cstrong\u003eIlluminate your setup\u003c\/strong\u003e with the NA105 White Spring, a mid-stall specialist for Nor-Am Star (2800 RPM) and MiniCup (1850 RPM) applications. Its calibrated resistance fosters gradual buildup, ideal for maintaining drive in sweeping turns without overwhelming the chassis.\u003cp\u003eWhite's clean aesthetic belies its prowess in stabilizing power delivery, preventing the abrupt jerks that unsettle handling. For technical tracks, this means predictable behavior, letting you brake later and accelerate sooner. It extends shoe life by distributing forces evenly, a smart play for budget-conscious teams.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cem\u003eMid-Range Focus:\u003c\/em\u003e Builds speed progressively for cornering prowess.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Identification:\u003c\/strong\u003e White color speeds up assembly checks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA staple for consistent performance. SKU: NA105.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary function of the NA105 White Spring in my kart clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NA105 White Spring acts as a mid-stall specialist. It is designed to provide a progressive power buildup, which helps maintain drive through sweeping corners and prevents the abrupt engagement that can unsettle your kart's chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the NA105 White Spring is right for my specific racing class?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is specifically calibrated for Nor-Am Star clutches at 2800 RPM and MiniCup applications at 1850 RPM. If your track requires smoother acceleration and better corner exit control, this spring is an excellent choice for stabilizing your power delivery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the color of the spring matter for maintenance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the white color is a deliberate design choice by Nor-Am to allow for easy visual identification during assembly checks. This helps you quickly verify that you have the correct spring installed for your current setup without needing to remove or test the clutch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will using this spring help my clutch shoes last longer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. By fostering a more gradual and even distribution of forces during engagement, the NA105 White Spring reduces the shock load on your clutch shoes, which can lead to extended component life and reduced maintenance costs over the season.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na102-brown-spring-na102\"\u003eNA102 Brown Spring Low Stall for Mini Cup and Star Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na107-purple-spring-na107\"\u003eNA107 Purple Spring 3400 RPM Star and 2400 RPM MiniCup Stall\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na108-green-spring-na108\"\u003eNor-Am NA108 Green Clutch Spring - 3700 RPM Star \/ 2550 RPM MiniCup Stall - Racing Kart Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na039-shoe-for-minicup-clutch-sold-each-three-reqired-na039\"\u003eMiniCup Clutch Shoe Individual Replacement for Nor-Am Systems\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na110-plain-spring-na110\"\u003ePlain Spring for Nor-Am STAR and MiniCup Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562651283774,"sku":"NA105","price":8.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-na105-white-spring-na105.jpg?v=1763113656"},{"product_id":"na106-blue-spring-na106","title":"Noram NA106 Blue Clutch Spring - 3100 RPM Star \/ 2100 RPM Mini-Cup","description":"\u003cp\u003eMaximize your launch RPM with the top-tier \u003cstrong\u003eracing go kart engine parts\u003c\/strong\u003e in the paddock: the Noram NA106 Blue Clutch Spring. Designed specifically for competitive racers, this high-tension spring delays full lockup slightly, allowing your engine's revs to climb into the optimal powerband before engagement. The result? Potent, catapult-like launches at green lights that instantly put you ahead of the pack.\u003c\/p\u003e\u003ch2\u003ePrecision Tuning for Noram Clutches \u0026amp; Parts Mini\u003c\/h2\u003e\u003cp\u003eDialing in your drivetrain is the secret to lower lap times. The NA106 spring is engineered to ramp up the stall speed to a blistering 3100 RPM on Noram Star clutches, and 2100 RPM on Mini-Cup setups. Whether you are running a full-size chassis or sourcing \u003cem\u003eparts mini\u003c\/em\u003e for smaller displacement classes, this spring provides the exact tension needed to suit torquey engines craving rev freedom. It also fits the 1600 Series and Enforcer clutches (1800 RPM engagement), making it a highly versatile tuning component for your pit box.\u003c\/p\u003e\u003ch2\u003eOutpace the Competition: From Top Tire Brands to Drivetrain Upgrades\u003c\/h2\u003e\u003cp\u003ePower delivery is just as critical as mechanical grip. You can run the stickiest rubber from \u003cem\u003etop tire brands\u003c\/em\u003e, but if your clutch engages too early, your engine will bog down out of the corners. The Noram NA106 Blue Spring ensures your clutch slips just enough to keep the RPMs high, transforming hesitant throttles into pure thunder. It enhances top-end pull and straightaway dominance, ensuring that every ounce of horsepower is efficiently transferred to the track surface.\u003c\/p\u003e\u003ch2\u003eSafety and Setup: Pairing with Kart Racing Helmets and Gear\u003c\/h2\u003e\u003cp\u003eWhen you are launching at 3100 RPM, the sudden surge of acceleration is intense. As you strap on your safety gear and secure your \u003cem\u003ekart racing helmets\u003c\/em\u003e, you can trust that the NA106 spring will deliver consistent, repeatable performance heat after heat. The resilient coil holds firm under extreme duress, making it perfect for high-power tracks. Plus, the bright blue tint makes it pop during quick visual diagnostics, saving you valuable time when making adjustments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Engagement RPM:\u003c\/strong\u003e Ramps up stall speed to 3100 RPM on Star clutches and 2100 RPM on Mini-Cup setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Seamlessly fits Noram 1600 Series, Enforcer, Mini-Cup, and Star clutches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tension Coil Build:\u003c\/strong\u003e Resilient construction holds firm under extreme heat and duress for consistent launches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed-Oriented Performance:\u003c\/strong\u003e Delays lockup to keep your engine in the peak powerband for straightaway dominance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Diagnostics:\u003c\/strong\u003e The distinct blue tint allows for rapid identification during fast-paced pit tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque Multiplication:\u003c\/strong\u003e Transforms hesitant low-end throttles into explosive acceleration out of tight corners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Manufactured by Noram to exact tolerances for reliable, race-winning durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the NA106 Blue Spring is the right choice for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NA106 Blue Spring is designed for racers looking to increase their stall speed to 3100 RPM on Star clutches or 2100 RPM on Mini-Cup setups. If your engine is bogging down out of tight corners, this higher-tension spring will help keep your RPMs in the powerband for a more explosive launch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the NA106 spring compatible with all Noram clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly versatile and compatible with Noram Star, Mini-Cup, 1600 Series, and Enforcer clutches. Always verify your specific clutch model and current engagement RPM before installation to ensure it meets your tuning goals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How difficult is it to swap out clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Swapping springs is a standard pit-side maintenance task. Because the NA106 features a distinct blue tint, it is easy to identify during quick adjustments. Ensure you have the correct tools to remove the clutch cover and tension the springs properly to maintain even engagement across all shoes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different color springs in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a matching set of springs for all shoes in your clutch. Mixing spring tensions can cause uneven engagement, leading to premature wear on your clutch shoes and inconsistent performance on the track.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nasd14-billet-14t-35-star-drum-nasd14\"\u003eNoram Star Billet Clutch Drum - 14-Tooth #35 Pitch - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nasd13-billet-13t-35-star-drum-nasd13\"\u003eNoram Star NASD13 Billet 13-Tooth #35 Clutch Drum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nac079-shoe-for-star-clutch-sold-each-three-required-nac079\"\u003eNoram STAR Clutch Replacement Shoe - NAC079 High Friction - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na104-red-spring-na104\"\u003eNoram Star \u0026amp; MiniCup NA104 Red Clutch Spring - 2500\/1700 RPM Stall - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-2900-3600rpm-purple-spring-nasp\"\u003eNoram GE \u0026amp; Arena Purple Clutch Spring - 2900-3600 RPM - Pro Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562651349310,"sku":"NA106","price":8.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-na106-blue-spring-na106.jpg?v=1763113657"},{"product_id":"na107-purple-spring-na107","title":"NA107 Purple Spring 3400 RPM Star and 2400 RPM MiniCup Stall","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cem\u003ePurple Precision:\u003c\/em\u003e 3400 RPM Star and 2400 RPM MiniCup stalls for rev-happy tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Response:\u003c\/strong\u003e Builds explosive power for overtakes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe NA107 Purple Spring embodies sophisticated stall management in Nor-Am Clutches, favoring drivers who dance on the RPM needle. Its higher threshold lets engines spool fully before clamping, yielding ferocious acceleration that redefines race dynamics. Purple's regal shade aids in quick part sorting, bolstering efficient workflows.\u003c\/p\u003e\u003cp\u003eIn high-stakes bouts, this spring's consistency shines, warding off fade for lap-after-lap fury. It suits modified mills, unlocking potentials in ways stock options can't. SKU: NA107.\u003c\/p\u003e\u003cp\u003eElevate your edge.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary function of the NA107 Purple Spring in a racing clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NA107 Purple Spring acts as a tensioner that determines your clutch engagement RPM. By setting the stall at 3400 RPM for Star clutches or 2400 RPM for MiniCup clutches, it allows the engine to reach a higher power band before the clutch fully engages, resulting in more explosive acceleration off the corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the Purple Spring is the right choice for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is ideal for drivers looking for \"rev-happy\" tuning. If you feel your kart is sluggish coming out of tight turns, the higher stall speed of the Purple spring helps keep your engine in its peak power range, provided your engine setup supports that engagement threshold.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the NA107 spring compatible with both Star and MiniCup clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this spring is versatile. It provides a 3400 RPM stall when used in Nor-Am Star clutches and a 2400 RPM stall when used in MiniCup clutch systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different colored springs in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a consistent set of springs across the clutch assembly to ensure even engagement and prevent premature wear or vibration. Always replace springs as a complete set to maintain balanced performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are subject to heat cycles and mechanical fatigue. If you notice your engagement RPM dropping or inconsistent acceleration, it is time to inspect your springs for signs of fatigue or \"fade.\" Replacing them regularly ensures your kart maintains its competitive edge.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na102-brown-spring-na102\"\u003eNA102 Brown Spring Low Stall for Mini Cup and Star Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na108-green-spring-na108\"\u003eNor-Am NA108 Green Clutch Spring - 3700 RPM Star \/ 2550 RPM MiniCup Stall - Racing Kart Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na105-white-spring-na105\"\u003eNA105 White Spring 2800 RPM Star and 1850 RPM MiniCup Stall\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na110-plain-spring-na110\"\u003ePlain Spring for Nor-Am STAR and MiniCup Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na039-shoe-for-minicup-clutch-sold-each-three-reqired-na039\"\u003eMiniCup Clutch Shoe Individual Replacement for Nor-Am Systems\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562651382078,"sku":"NA107","price":8.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-na107-purple-spring-na107.jpg?v=1763113658"},{"product_id":"na108-green-spring-na108","title":"Nor-Am NA108 Green Clutch Spring - 3700 RPM Star \/ 2550 RPM MiniCup Stall - Racing Kart Class","description":"\u003cp\u003eDialing in your clutch engagement is the most critical tuning adjustment you can make on a \u003cstrong\u003eracing kart\u003c\/strong\u003e, dictating exactly how power transfers from the crank to the asphalt. The Nor-Am NA108 Green Spring is engineered specifically for stall specialists who demand absolute reliability under extreme heat and relentless friction. By holding back engagement until the engine reaches peak torque, this spring unleashes power in a violent, controlled torrent. Whether you are running a high-output \u003cstrong\u003ekart racing motor\u003c\/strong\u003e or a standard clone, maintaining consistent spring tension lap after lap is what separates podium finishers from the rest of the pack.\u003c\/p\u003e\u003ch2\u003eUnmatched Durability for Your Kart Racing Motor\u003c\/h2\u003e\u003cp\u003eClutch springs endure brutal thermal loads, but the NA108 Green Spring thrives in the redline's fire. Manufactured from high-tensile, heat-treated steel alloy, it resists the dreaded spring sag that plagues inferior components. This means your engagement RPM remains dead-on throughout a grueling enduro sprint or a rapid-fire drag launch. If you've been browsing for a new \u003cstrong\u003ego kart motor for sale\u003c\/strong\u003e because your current setup feels sluggish off the line, the culprit might just be a fatigued clutch spring. Upgrading to the NA108 ensures your engine's power crests exactly when you need it, maximizing acceleration out of tight hairpins without compromising the integrity of your drive-line.\u003c\/p\u003e\u003ch2\u003eConsistent Launches and Better Traction\u003c\/h2\u003e\u003cp\u003ePower is useless if you can't put it to the ground. By delaying engagement to a precise 3700 RPM on Nor-Am Star clutches (and 2550 RPM on MiniCup setups), the NA108 allows the engine to spool up into its optimal powerband before the shoes bite the drum. This precise lock-up prevents bogging and ensures that your \u003cstrong\u003ego kart tires\u003c\/strong\u003e receive a smooth, predictable surge of rotational force. For racers searching for \u003cstrong\u003ego karts for sale near me\u003c\/strong\u003e or building a custom chassis from the ground up, integrating a reliable, heat-resistant clutch spring like the NA108 is a fundamental step in building a bulletproof drivetrain.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Engagement:\u003c\/strong\u003e Delivers a dead-on 3700 RPM stall on Star clutches and 2550 RPM on MiniCup setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-Treated Alloy:\u003c\/strong\u003e Resists thermal fatigue and spring sag during extreme endurance races.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Tension:\u003c\/strong\u003e Maintains peak load integrity, ensuring your launch RPM never drifts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Transfer:\u003c\/strong\u003e Allows the engine to reach peak torque before clutch shoes engage the drum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Identification:\u003c\/strong\u003e Bright green marker streamlines pit-box inventory and quick trackside tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Reliability:\u003c\/strong\u003e Built to handle the aggressive vibrations of a high-revving kart racing motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrag-Style Burst Capability:\u003c\/strong\u003e Perfect for aggressive standing starts and tight corner exits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the NA108 Green Spring is the right choice for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NA108 Green Spring is designed for racers who need a higher stall speed to reach their engine's peak torque before engagement. If you are experiencing \"bogging\" off the line or out of tight corners, this spring helps the engine spool up to 3700 RPM (Star) or 2550 RPM (MiniCup) before the clutch bites, providing a more aggressive launch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different color springs in my Nor-Am clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a matching set of springs across all clutch shoes. Mixing spring tensions will cause uneven engagement, leading to premature shoe wear, vibration, and inconsistent handling on the track.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are wear items subject to extreme thermal stress. You should inspect them for \"sag\" or loss of tension if you notice your engagement RPM dropping over time. If you race competitively, replace them periodically to ensure your launch RPM remains consistent throughout the season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the NA108 Green Spring compatible with both Star and MiniCup clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this spring is versatile and fits both systems, though it provides different stall characteristics depending on the clutch type: 3700 RPM for Star clutches and 2550 RPM for MiniCup setups.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na107-purple-spring-na107\"\u003eNA107 Purple Spring 3400 RPM Star and 2400 RPM MiniCup Stall\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na105-white-spring-na105\"\u003eNA105 White Spring 2800 RPM Star and 1850 RPM MiniCup Stall\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na102-brown-spring-na102\"\u003eNA102 Brown Spring Low Stall for Mini Cup and Star Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na039-shoe-for-minicup-clutch-sold-each-three-reqired-na039\"\u003eMiniCup Clutch Shoe Individual Replacement for Nor-Am Systems\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/naky025-key-for-star-clutch-naky025\"\u003eStepped Key for Secure Nor-Am STAR Clutch Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562651414846,"sku":"NA108","price":8.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-na108-green-spring-na108.jpg?v=1763113659"},{"product_id":"na110-plain-spring-na110","title":"Plain Spring for Nor-Am STAR and MiniCup Clutches","description":"\u003cp\u003eEngineered for seamless integration, this Plain Spring delivers precise stall speeds to match your racing demands. In the high-stakes world of karting, every component counts toward shaving seconds off your lap times.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Nor-Am STAR clutches, stalling at 4000 RPM for aggressive acceleration.\u003c\/li\u003e\n\u003cli\u003ePerfectly suited for MiniCup setups, offering a 2700 RPM stall to optimize low-end torque.\u003c\/li\u003e\n\u003cli\u003eConstructed from high-quality materials to withstand intense track conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBy fine-tuning your clutch engagement, this spring helps maintain consistent power transfer from engine to wheels, reducing slippage and boosting overall speed. Whether you're navigating tight corners or straightaways, it promotes quicker response times, allowing you to pull ahead of the competition. Install easily as part of your drive-line system, and experience the difference in handling and velocity on race day. SKU: NA110 ensures authenticity and reliability for Nor-Am enthusiasts.\u003c\/p\u003e\u003cp\u003eUpgrade your setup today and feel the surge in performance that comes from components designed specifically for kart racing excellence.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the Plain Spring is right for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for specific stall speeds: 4000 RPM for Nor-Am STAR clutches and 2700 RPM for MiniCup setups. Choose this spring if you are looking for aggressive acceleration in STAR clutches or optimized low-end torque for MiniCup racing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it difficult to install the Plain Spring in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The spring is engineered for seamless integration into your existing drive-line system. While installation is straightforward, ensure your clutch shoes and drum are clean and free of debris to allow the new spring to seat properly and function at peak performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are subject to high heat and constant tension. If you notice inconsistent engagement, a drop in stall RPM, or sluggish acceleration, it is likely time to replace your springs to maintain consistent power transfer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match this spring with other Nor-Am springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For balanced performance and even engagement, it is highly recommended to replace all springs in your clutch set simultaneously with the same type. Mixing spring tensions can lead to uneven shoe engagement and premature wear on your clutch components.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nor-am-star-clutch-nastar\"\u003enor-am-star-clutch-nastar\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na039-shoe-for-minicup-clutch-sold-each-three-reqired-na039\"\u003eMiniCup Clutch Shoe Individual Replacement for Nor-Am Systems\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na108-green-spring-na108\"\u003eNor-Am NA108 Green Clutch Spring - 3700 RPM Star \/ 2550 RPM MiniCup Stall - Racing Kart Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na107-purple-spring-na107\"\u003eNA107 Purple Spring 3400 RPM Star and 2400 RPM MiniCup Stall\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na105-white-spring-na105\"\u003eNA105 White Spring 2800 RPM Star and 1850 RPM MiniCup Stall\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562651480382,"sku":"NA110","price":8.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-na110-plain-spring-na110.jpg?v=1763113660"},{"product_id":"mtds064-spring-set-purple-9pcs-mtds064","title":"Purple Spring Set for Draggin Skin Clutches (9 Pieces)","description":"\u003cul\u003e\n\u003cli\u003eStandard equipment in 2019 Draggin Skin Clutches for proven reliability\u003c\/li\u003e\n\u003cli\u003eNine high-tension purple springs for optimal clutch response\u003c\/li\u003e\n\u003cli\u003eIdeal for maintaining peak performance in competitive karting\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEngineered for the demands of kart racing, this Purple Spring Set delivers the tension needed to keep your clutch engaging smoothly at varying RPMs, preventing hesitation that could cost you positions. Each spring is crafted to exact specifications, ensuring uniform pressure that enhances power transfer and reduces heat buildup during extended sessions.\u003c\/p\u003e\u003cp\u003eIn the heat of a race, where split-second decisions matter, these springs help organize your setup for consistency— no more unpredictable shifts that disrupt your rhythm. They're particularly effective in classes requiring quick acceleration, allowing you to burst out of corners with authority. Replacing worn springs with this set restores your clutch to factory-fresh performance, extending component life and saving on costly overhauls.\u003c\/p\u003e\u003cp\u003eEasy to install during routine pit stops, this kit fits seamlessly into your Max-Torque drive-line, complementing weights and shoes for a balanced system. Kart teams rely on it to fine-tune for specific tracks, gaining that extra edge in speed and stability. SKU: MTDS064\u003c\/p\u003e\u003cp\u003eExperience the difference in how your kart feels under load—firmer, more responsive, and ready to dominate.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I replace the springs in my Draggin Skin clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should replace your springs if you notice inconsistent clutch engagement, hesitation at low RPMs, or if the kart feels sluggish coming out of corners. Replacing them as a set of nine ensures uniform pressure and restores factory-fresh performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these purple springs compatible with all Max-Torque clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These springs are specifically engineered for the Max-Torque Draggin Skin clutch series. They are designed to provide the specific tension required for the Draggin Skin's engagement characteristics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix these purple springs with other color-coded springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a full set of nine identical springs. Mixing spring tensions will cause uneven pressure on the clutch shoes, leading to unpredictable engagement, vibration, and premature wear on your clutch components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it difficult to install these springs during a pit stop?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These springs are designed for straightforward installation. They fit seamlessly into the Max-Torque drive-line, allowing for quick adjustments or replacements between heats to fine-tune your engagement RPM for specific track conditions.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtdsc2pc-max-torque-draggin-skin-clutch-no-sprocket-2025-model-mtdsc2pc-24\"\u003e2025 Model Max-Torque Draggin Skin (FITS LO206) 2PC Clutch with drum - Without Sprocket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/max-torque-draggin-skin-2pc-clutch-tool-mtdsc2pctool\"\u003e2-Piece Clutch Tool for Max-Torque Draggin Skin Maintenance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtdsshp-max-powdered-metal-shoe-set-newest-type-set-of-three-mtdsshp\"\u003ePowdered Metal Shoe Set for Max-Torque Clutches (Set of 3, Newest Design)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtds075-spring-set-pink-9pcs-mtds075\"\u003ePink Spring Set for Precision Kart Clutch Tuning (9 Pieces)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtds072-spring-set-white-9pcs-mtds072\"\u003eWhite Spring Set for Max-Torque Draggin Skin Clutches (9 Pieces)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Max-Torque","offers":[{"title":"Default Title","offer_id":52562653151550,"sku":"MTDS064","price":21.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/max-torquedragginskin-mtds064-spring-set-purple-9pcs-mtds064.jpg?v=1763113690"},{"product_id":"max-torque-clutch-spring-heavy-black-mtcsb","title":"Heavy Duty Black Max-Torque Clutch Spring for High RPM Engagement","description":"\u003cp\u003eFor those who race hard, the heavy black spring sets a higher engagement threshold at 2900-3200 RPM, perfect for unleashing torque when it counts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBlack coding signals heavy-duty strength\u003c\/li\u003e\n\u003cli\u003eSuits aggressive tuning in clone engines\u003c\/li\u003e\n\u003cli\u003eDelivers controlled slip for sustained velocity\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePicture this: Your kart idles low, then erupts into motion with precision timing. This spring's tension keeps everything tight until the optimal moment, slashing low-speed drag and amplifying top-end pull. It's a game-changer for tracks with long straights, where holding speed means gaining positions.\u003c\/p\u003e\u003cp\u003eCustomization is key— swap it in to match your gearing, creating a setup that feels alive underfoot. Durability ensures it performs session after session, reducing the need for constant adjustments. Keep your pit station efficient with reliable parts like this, focusing energy on strategy over fixes.\u003c\/p\u003e\u003cp\u003eSKU: MTCSB\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary benefit of using the heavy black clutch spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The heavy black spring increases your clutch engagement threshold to 2900-3200 RPM. This allows the engine to reach a higher power band before the clutch locks up, which is ideal for aggressive racing and tracks with long straights where you need maximum top-end pull.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the black spring is right for my kart setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for aggressive tuning in clone engines. If you find your kart is bogging down off the corners or you need to hold your RPMs higher to maintain momentum, the black spring provides the necessary tension to delay engagement until the engine is in its optimal power range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Max-Torque clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is specifically designed for Max-Torque clutch systems. However, always ensure your specific clutch model supports spring swapping. It is a great tool for fine-tuning your engagement to match your specific gearing and track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does changing the clutch spring require special tools?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While you can often perform basic maintenance with standard shop tools, having a dedicated clutch tool makes the process of removing the drum and accessing the springs much faster and safer, especially when you are tuning at the track.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mtdsshp-max-powdered-metal-shoe-set-newest-type-set-of-three-mtdsshp\"\u003ePowdered Metal Shoe Set for Max-Torque Clutches (Set of 3, Newest Design)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/max-torque-clutch-spring-stock-silver-mtcss\"\u003eStock Silver Max-Torque Clutch Spring for Standard Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/max-torque-clutch-spring-medium-green-mtcsg\"\u003eMedium Green Max-Torque Clutch Spring for Balanced Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/max-torque-clutch-backing-plate-mtbp\"\u003eMax-Torque Clutch Backing Plate for Enhanced Durability and Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/max-torque-clutch-shoe-retainer-plate-mtsrp\"\u003eDurable Max-Torque Clutch Shoe Retainer Plate\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Max-Torque","offers":[{"title":"Default Title","offer_id":52562662687038,"sku":"MTCSB","price":14.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/max-torqueclone-max-torque-clutch-spring-heavy-black-mtcsb.jpg?v=1763113931"},{"product_id":"hilliard-inferno-clutch-weight-heavy-hdc-hw","title":"Hilliard Inferno Heavy Clutch Weight for Powerful Engagement","description":"\u003cp\u003eHeavy-duty performance starts here: the Hilliard Inferno Heavy Clutch Weight ramps up centrifugal force for decisive grip.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSuited for BLAZE primary, adaptable to FIRE and FLAME\u003c\/li\u003e\n\u003cli\u003eIdeal for tracks demanding quick power buildup\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInstalling this (SKU: HDC-HW) refines your clutch's behavior, helping maintain speed through varied terrain while organizing your parts for efficient pit work. It transforms standard setups into speed machines, giving you the edge in tight races.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the purpose of using a heavy clutch weight in my Hilliard Inferno clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The heavy clutch weight increases the centrifugal force applied to the clutch shoes. This results in a more decisive, aggressive engagement, which is ideal for tracks that require quick power buildup and maintaining momentum through tight corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which Hilliard Inferno clutch models are compatible with this weight?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This weight is specifically designed for the BLAZE primary clutch and is fully adaptable for use with the FIRE and FLAME series clutches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if I should switch to a heavier clutch weight?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you feel your kart is sluggish off the corner or struggling to maintain RPMs in technical sections, a heavier weight can help the clutch lock up faster, providing a more direct transfer of power to the rear wheels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to replace my snap rings when installing new clutch weights?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is highly recommended to use fresh snap rings whenever you service or reconfigure your clutch weights to ensure they remain securely in place during high-RPM racing conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different weight sizes in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While some tuners experiment with mixed weights to fine-tune engagement, it is generally recommended to keep weights balanced across the clutch assembly to prevent vibration and uneven wear on the clutch shoes and drum.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-blaze-clutch-with-oem-bully-conversion-comes-with-drum-but-no-driver-included-see-note-in-description-about-parts-supplied-and-springs-hdc-blaze-bully\"\u003eHilliard Inferno BLAZE Clutch with OEM Bully Conversion and Drum Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-fire-clutch-comes-with-drum-but-no-driver-included-hdc-fire\"\u003eHilliard Inferno FIRE Clutch with Drum - Advanced Friction Lining for Superior Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-blaze-flame-fire-tuning-kit-hdc-bztk\"\u003eHilliard Inferno BLAZE, FLAME \u0026amp; FIRE Clutch Tuning Kit - Assorted Springs \u0026amp; Weights - LO206 \/ 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-weight-snap-ring-kit-16pc-hdc-wsrk\"\u003eHilliard Inferno 16-Piece Clutch Weight Snap Ring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-weight-snap-ring-pack-50pk-hdc-wsrp\"\u003eHilliard Inferno 50-Piece Clutch Weight Snap Ring Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hilliard","offers":[{"title":"Default Title","offer_id":52562671927614,"sku":"HDC-HW","price":2.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/infernoblaze-hilliard-inferno-clutch-weight-heavy-hdc-hw.jpg?v=1763114122"},{"product_id":"smc-4059-vortex-black-spring-sold-each-smc-4059","title":"Vortex Black Spring for Firm Kart Clutch Response","description":"\u003cstrong\u003eFirm and fearless\u003c\/strong\u003e: Black Vortex springs ramp up pressure for clutches that engage with authority, suiting high-output karts where hesitation costs positions. Each one is a building block for personalized tension profiles in SMC systems.\u003cul\u003e\n\u003cli\u003eHeavy rate for reduced slip in boosted applications.\u003c\/li\u003e\n\u003cli\u003eDurable black finish resists wear from frequent adjustments.\u003c\/li\u003e\n\u003cli\u003eIndividual sale enables progressive spring combinations.\u003c\/li\u003e\n\u003cli\u003eEngineered for even compression, avoiding coil bind.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeel the surge in acceleration as it organizes firm response, helping you blast out of hairpins. Versatile for wet or dry tracks, it maintains consistency. A favorite among tuners for dialing in pro-level feel. SKU: SMC-4059 – the grip behind your glory.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose the Black Vortex spring over other colors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Black Vortex spring is a heavy-rate spring designed for high-output karts. It provides increased pressure to reduce clutch slip, making it ideal for engines that require a firmer, more authoritative engagement to prevent power loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match these springs with other colors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Because these are sold individually, many tuners use a combination of different spring rates to dial in a specific engagement RPM and \"feel\" that suits their driving style and track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my clutch needs a heavier spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you notice your kart hesitating or experiencing excessive clutch slip during acceleration out of corners, a heavier spring like the Black Vortex can help the clutch engage more firmly and transfer power to the wheels more efficiently.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these springs compatible with all SMC clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These are designed for use within the SMC Vortex system. Always ensure your specific clutch model supports the use of these springs and check for proper clearance to avoid coil bind during full compression.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/smc-vortex-two-disk-clutch-rev3-style-no-sprocket-included-smc-5002\"\u003eSMC Vortex Two-Disk Clutch REV3 Style for Superior Kart Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/smc-vortex-two-disk-rebuild-kit-smc-5072\"\u003eSMC Vortex Two-Disk Clutch Rebuild Kit - SMC-5072 - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/smc-twelve-tab-clutch-disk-smc-4250\"\u003eSMC 12-Tab Clutch Disk - High-Grip Friction - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/smc-4068-vortex-gold-spring-sold-each-smc-4068\"\u003eVortex Gold Spring for Premium Kart Clutch Adjustability\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/smc-4004-vortex-silver-spring-sold-each-smc-4004\"\u003eVortex Silver Spring for Tunable Kart Clutch Tension\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SMC","offers":[{"title":"Default Title","offer_id":52562677137726,"sku":"SMC-4059","price":3.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/smckartclutches-smc-4059-vortex-black-spring-sold-each-smc-4059.jpg?v=1763114202"},{"product_id":"smc-4068-vortex-gold-spring-sold-each-smc-4068","title":"Vortex Gold Spring for Premium Kart Clutch Adjustability","description":"\u003cp\u003eGold standard in springs: This Vortex option offers supple response for nuanced control, perfect for karts where finesse trumps force. Build your ideal stack with individuals from SMC's lineup.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSoft-medium rate for progressive engagement in lighter classes.\u003c\/li\u003e\n\u003cli\u003eGold plating enhances corrosion resistance for all-weather racing.\u003c\/li\u003e\n\u003cli\u003eHigh-cycle fatigue strength for season-long durability.\u003c\/li\u003e\n\u003cli\u003eConsistent diameter ensures even seating in clutch hubs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCustomize to match your gearing, gaining smoother transitions that organize speed buildup. Drivers appreciate the reduced chatter on bumpy tracks. It's about harmony in your drivetrain. SKU: SMC-4068 – premium pull for podium pursuits.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do these gold springs differ from other SMC Vortex spring colors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The gold spring features a soft-medium rate designed for progressive engagement. While black or silver springs may offer firmer or different tension profiles, the gold spring is specifically engineered for finesse and smoother transitions in lighter kart classes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match these springs within my clutch stack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, SMC Vortex clutches are designed for custom stack configurations. You can mix different spring rates to fine-tune your engagement point and match your specific gearing or track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While these springs feature high-cycle fatigue strength for season-long durability, you should inspect them regularly for signs of heat stress or uneven seating. If you notice inconsistent engagement or \"chatter\" on the track, it is likely time to refresh your stack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these springs compatible with all SMC clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These are designed for the SMC Vortex line. Always ensure your clutch hub is clean and free of debris to ensure the consistent diameter of the spring seats properly for even pressure distribution.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/smc-vortex-two-disk-clutch-rev3-style-no-sprocket-included-smc-5002\"\u003eSMC Vortex Two-Disk Clutch REV3 Style for Superior Kart Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/smc-vortex-two-disk-rebuild-kit-smc-5072\"\u003eSMC Vortex Two-Disk Clutch Rebuild Kit - SMC-5072 - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/smc-twelve-tab-clutch-disk-smc-4250\"\u003eSMC 12-Tab Clutch Disk - High-Grip Friction - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/smc-4059-vortex-black-spring-sold-each-smc-4059\"\u003eVortex Black Spring for Firm Kart Clutch Response\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/smc-4004-vortex-silver-spring-sold-each-smc-4004\"\u003eVortex Silver Spring for Tunable Kart Clutch Tension\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SMC","offers":[{"title":"Default Title","offer_id":52562677170494,"sku":"SMC-4068","price":3.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/smckartclutches-smc-4068-vortex-gold-spring-sold-each-smc-4068.jpg?v=1763114203"},{"product_id":"titan-spring-light-blue-apts106","title":"Premier Titan Light Blue Clutch Spring - 2400 RPM Engagement - Mini-Cup","description":"\u003cp\u003eAs a leading go kart shop, we know that dialing in your clutch engagement is the difference between bogging down at the apex and launching out of the corner. The Premier Titan Light Blue Clutch Spring is engineered specifically to deliver a precise 2400 RPM engagement, making it the ultimate tuning component for Mini-Cup racing classes. When you are fine-tuning the power delivery of your motor cart, clutch spring tension dictates exactly when your horsepower translates to the asphalt.\u003c\/p\u003e\u003ch2\u003eMaximizing Power Delivery: Beyond Your Go Kart Engine For Sale\u003c\/h2\u003e\u003cp\u003eYou might have just picked up a fresh go kart engine for sale, but without the correct clutch calibration, that horsepower is wasted. The Light Blue Titan spring provides a gradual, mid-low response curve. It builds tension predictably, allowing young drivers in the Mini-Cup division to experience responsive yet manageable startups. This prevents aggressive snapping that can upset the chassis balance, ensuring the kart remains stable during rolling starts and tight hairpin exits. Understanding centrifugal force is critical when setting up your drive-line. As the engine RPM increases, the clutch shoes overcome the resistance of the springs to make contact with the drum. The 2400 RPM threshold provided by this light blue spring ensures the engine is operating in its optimal torque band before the load is fully applied. If the engagement is too low, the engine bogs; too high, and you risk excessive heat and clutch slip. This spring hits the sweet spot for restricted or lower-horsepower setups.\u003c\/p\u003e\u003ch2\u003eComplete Your Setup: From Tire Tools to Clutch Tuning\u003c\/h2\u003e\u003cp\u003eA balanced chassis requires attention to every detail. Just as you rely on precision tire tools to set your pressures and mount the best go kart tires for racing, you need exact spring rates to optimize your drive-line. The APTS106 spring maintains its structural integrity and tension rate through grueling heat cycles and extended practice sessions. It fits seamlessly into both 1.0\" and 3\/4\" Premier Titan clutch configurations. Whether you are prepping for a weekend club race or a national Mini-Cup event, maintaining consistent clutch performance is non-negotiable.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngagement Speed:\u003c\/strong\u003e Precisely calibrated for a smooth 2400 RPM lock-up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass Compatibility:\u003c\/strong\u003e Optimized specifically for Mini-Cup racing divisions and restricted classes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch Fitment:\u003c\/strong\u003e Universally suits both 1.0\" and 3\/4\" Premier Titan clutch hubs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse Curve:\u003c\/strong\u003e Mid-low tension build for smooth, predictable power transfer to the rear axle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Durability:\u003c\/strong\u003e Resists tension fade and sagging during high-heat racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Construction:\u003c\/strong\u003e Forged from high-tensile steel alloy for maximum cycle life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Identification:\u003c\/strong\u003e Bright light blue coating for rapid pit-stop spring swaps and easy identification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the 2400 RPM Light Blue spring is right for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is specifically designed for Mini-Cup racing classes. If you are experiencing engine bogging at the start, you may need a lower engagement spring; if you are experiencing excessive clutch slip or heat, you may need a higher engagement spring. The 2400 RPM threshold is the \"sweet spot\" for maintaining momentum in restricted, lower-horsepower setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different color springs in my Titan clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use the same color spring on all clutch shoes to ensure balanced, even engagement. Mixing spring rates will cause the clutch shoes to engage at different times, leading to uneven wear, vibration, and poor power delivery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are subject to extreme heat cycles and centrifugal force. Over time, they can lose their tension (sag), which will lower your engagement RPM. We recommend inspecting your springs for signs of fatigue or sagging after every few race weekends to maintain consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with both 3\/4\" and 1.0\" Titan clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the APTS106 Light Blue spring is designed to fit universally across both 1.0\" and 3\/4\" Premier Titan clutch configurations.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcsh-titan-clutch-shoe-sold-each-three-required-tcsh\"\u003eIndividual Titan Clutch Shoe - Set of Three for Complete Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcab-titan-turned-clutch-drum-less-driver-tcab\"\u003ePrecision Titan Turned Clutch Drum Without Driver for Superior Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tchs-titan-clutch-hub-shaft-tchs\"\u003eHigh-Strength Titan Clutch Hub Shaft for Optimal Kart Power Flow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/titan-spring-light-red-apts104\"\u003eLight Red Titan Spring for Mini-Cup and WF Clutches at 1800 RPM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/titan-spring-light-white-apts105\"\u003eTitan Light White Spring - 2100 RPM for Versatile Kart Use\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Premier","offers":[{"title":"Default Title","offer_id":52562691555646,"sku":"APTS106","price":8.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/titanminicup-titan-spring-light-blue-apts106.jpg?v=1763114397"},{"product_id":"na102-brown-spring-na102","title":"NA102 Brown Spring Low Stall for Mini Cup and Star Clutches","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Stall Profile:\u003c\/strong\u003e Activates at lower RPMs for snappier starts in confined spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eVersatile Fit:\u003c\/em\u003e Compatible with both Star and MiniCup models for broad use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe NA102 Brown Spring sets the tone for responsive clutching in Nor-Am systems, favoring quick power onset over high-rev delays. It's the choice for drivers who thrive on corner dominance, where instant grip turns inside lines into advantages. By engaging early, it preserves momentum, cutting lap times on twisty layouts.\u003c\/p\u003e\u003cp\u003eIts subtle brown identifier aids quick visual checks during setups, streamlining your trackside routine. Durability ensures it holds tension through grueling sessions, supporting organized racing without surprises. SKU: NA102.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary benefit of using the NA102 Brown Spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NA102 Brown Spring is a low-stall spring designed to engage the clutch at lower RPMs. This provides snappier acceleration out of tight corners, helping you maintain momentum on twisty track layouts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the NA102 Brown Spring compatible with my Nor-Am clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this spring is specifically engineered for versatility and is compatible with both Nor-Am Star and MiniCup clutch models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the NA102 is the right spring for my setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you are looking for earlier power onset and improved corner exit speed, the low-stall profile of the brown spring is an excellent choice. If you require higher engagement RPMs for your specific engine class, you may want to consider our other spring options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are there any visual indicators to help with trackside tuning?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the NA102 features a distinct brown color coating, allowing for quick visual identification during clutch maintenance or when swapping springs between sessions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many springs do I need to replace?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to replace all springs in your clutch assembly simultaneously to ensure even engagement and balanced performance across all clutch shoes.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na039-shoe-for-minicup-clutch-sold-each-three-reqired-na039\"\u003eMiniCup Clutch Shoe Individual Replacement for Nor-Am Systems\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na110-plain-spring-na110\"\u003ePlain Spring for Nor-Am STAR and MiniCup Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na108-green-spring-na108\"\u003eNor-Am NA108 Green Clutch Spring - 3700 RPM Star \/ 2550 RPM MiniCup Stall - Racing Kart Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na107-purple-spring-na107\"\u003eNA107 Purple Spring 3400 RPM Star and 2400 RPM MiniCup Stall\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/na105-white-spring-na105\"\u003eNA105 White Spring 2800 RPM Star and 1850 RPM MiniCup Stall\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562702729534,"sku":"NA102","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-na102-brown-spring-na102.jpg?v=1763114525"},{"product_id":"viper-clutch-spring-095-wire-pink-fcdc-sp95p","title":"High-Stall Pink .095\" Wire Viper Clutch Spring for 4200+ RPM","description":"\u003cp\u003eTarget elite stall speeds with this pink .095\" wire spring, engineered by Brian Barnes for high-performance 3.5\" clutches including Viper and Surge.\u003c\/p\u003e\u003cp\u003eVersatile for stock levers (with or without bolts), it scales stall from 3700 RPM at .440\" height to 5000 RPM at .360\" without bolts, allowing precise tuning for your build.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eStock Levers-Bolts In:\u003c\/b\u003e .440\"=3700 RPM, .420\"=3900, .400\"=4100, .380\"=4300, .360\"=4500\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStock Levers-No Bolts:\u003c\/b\u003e .440\"=4200 RPM, .420\"=4400, .400\"=4600, .380\"=4800, .360\"=5000\u003c\/li\u003e\n\u003cli\u003eUniversal market fit for seamless integration.\u003c\/li\u003e\n\u003cli\u003ePink color codes for fast stall identification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for setups craving late, hard-hitting engagement, this spring (SKU: FCDC-SP95P) empowers your kart to unleash power at the perfect moment, organizing for record-setting laps in high-RPM classes.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I determine the correct stall speed for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Stall speed is determined by your clutch lever height and whether you are using bolts. Use the provided chart to match your desired RPM (ranging from 3700 to 5000 RPM) with the corresponding lever height setting. The pink color code helps you quickly identify this specific .095\" wire spring during trackside tuning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this spring with my existing Viper clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this spring is designed for universal market fitment and is engineered for high-performance 3.5\" clutches, including Viper and Surge models. It is a versatile component for both stock levers with or without bolts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of using the pink .095\" wire spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is ideal for setups that require a late, hard-hitting engagement. By allowing for precise stall adjustments, it helps you unleash power at the optimal moment, which is critical for maintaining momentum in high-RPM racing classes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to replace all springs at once?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For consistent clutch engagement and balanced pressure across the disc, it is highly recommended to replace your clutch springs as a complete set rather than individually.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-pressure-plate-fcdc-pp\"\u003eHigh-Performance Viper Clutch Pressure Plate for Superior Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-lever-support-fcdc-ls\"\u003eSilver Aluminum Viper Clutch Lever Support for Small Pin Levers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-floater-plate-standard-095-fcdc-fp95\"\u003eStandard Viper Clutch Floater Plate .095 Inch Thickness\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-inner-thrust-bearing-fcdc-itb\"\u003eViper Inner Thrust Bearing for Clutch Durability\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-lever-support-big-pin-fcdc-lsbps\"\u003eViper Big Pin Clutch Lever Support - Silver Aluminum - Modified \u0026amp; Stock Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Viper","offers":[{"title":"Default Title","offer_id":52562711806270,"sku":"FCDC-SP95P","price":3.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/parts-viper-clutch-spring-095-wire-pink-fcdc-sp95p.jpg?v=1763114664"},{"product_id":"max-torque-medium-blue-clutch-spring","title":"Max-Torque Medium Blue Clutch Spring for Kart Racing","description":"\u003ch2\u003eMax-Torque Medium Blue Clutch Spring\u003c\/h2\u003e\n\u003cp\u003eEnhance your kart's clutch system with this precision-engineered Max-Torque clutch spring in medium tension, identified by its distinctive blue color. Designed for racers seeking dependable power transfer, this spring delivers balanced engagement to keep you competitive on the track.\u003c\/p\u003e\n\u003cp\u003eThe medium rating strikes the perfect balance for various racing conditions, helping maintain optimal clutch operation without excessive slip or harsh grab. Its robust construction withstands the rigors of intense sessions, providing longevity and reducing downtime. Easy to install and identify during pit stops, it's a go-to choice for kart enthusiasts building reliable setups.\u003c\/p\u003e\n\u003cp\u003eWhether you're tuning for club races or pushing harder in regional events, this blue Max-Torque spring supports smooth acceleration and consistent torque delivery. Pair it with your existing clutch components for improved overall drivetrain efficiency.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedium tension optimizes clutch bite for responsive handling\u003c\/li\u003e\n\u003cli\u003eBlue coding simplifies maintenance and quick swaps\u003c\/li\u003e\n\u003cli\u003eBuilt tough for repeated high-RPM use\u003c\/li\u003e\n\u003cli\u003eEssential upgrade for any serious kart builder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep your kart performing at its peak with components you can trust. This spring fits seamlessly into standard clutch assemblies, making it a straightforward addition to your pit essentials.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eWhat tension level is this Max-Torque clutch spring?\u003c\/h4\u003e\n\u003cp\u003eIt's the medium tension variant, marked in blue for easy reference.\u003c\/p\u003e\n\u003ch4\u003eIs this spring suitable for kart racing?\u003c\/h4\u003e\n\u003cp\u003eYes, it's designed specifically for kart clutch applications to ensure reliable performance.\u003c\/p\u003e\n\u003ch4\u003eHow do I identify the correct spring for my setup?\u003c\/h4\u003e\n\u003cp\u003eUse the color coding—blue indicates medium tension in the Max-Torque series.\u003c\/p\u003e\n\u003ch4\u003eDoes it require special tools for installation?\u003c\/h4\u003e\n\u003cp\u003eStandard clutch tools are sufficient for straightforward installation.\u003c\/p\u003e\n\u003ch4\u003eWhat's the primary function of this clutch spring?\u003c\/h4\u003e\n\u003cp\u003eIt provides the necessary force for proper clutch shoe engagement and disengagement.\u003c\/p\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":53244446671166,"sku":"MTCSBLU","price":12.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/Max-Torque_clutch_spring_-_Medium_Blue.jpg?v=1774901549"}],"url":"https:\/\/swiftkarting.com\/collections\/clutch-springs.oembed?page=2","provider":"Swift Karting","version":"1.0","type":"link"}