{"title":"Nor-Am STAR Clutches","description":"\u003cp\u003eNor-Am STAR clutches are centrifugal drive clutches for karts, fitted with a #35 chain sprocket in tooth counts from 13T through 18T. They stay disengaged at idle and couple the engine to the chain as RPM rises, so the axle is not driven until the clutch engages.\u003c\/p\u003e","products":[{"product_id":"nab018-bushing-for-13-14-drums-nab018","title":"Precision Bushing for 13-Tooth and 14-Tooth STAR Drums","description":"\u003cp\u003eImagine a clutch system that operates flawlessly under pressure— that's the promise of this specialized bushing tailored for high-performance karting.\u003c\/p\u003e\u003cp\u003eThe NAB018 Bushing addresses common issues like misalignment in 13-tooth and 14-tooth STAR drums, providing a snug fit that minimizes friction and extends component life. Racers often overlook these small parts, but they play a crucial role in maintaining the integrity of your drive-line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExclusively engineered for Nor-Am STAR clutches with 13T or 14T configurations.\u003c\/li\u003e\n\u003cli\u003eReduces play between drum and clutch assembly for precise engagement.\u003c\/li\u003e\n\u003cli\u003eHigh-strength material resists heat and vibration from intense races.\u003c\/li\u003e\n\u003cli\u003eEasy installation to get you back on the track without downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn practice, this bushing helps distribute load evenly, preventing premature wear on drums and sprockets. The result? Smoother shifts, quicker acceleration out of turns, and the ability to sustain higher speeds longer. For kart teams chasing podium finishes, integrating this into your Nor-Am STAR setup means fewer mechanical failures and more consistent lap times. It's not just a replacement part; it's an investment in your competitive edge. SKU: NAB018 guarantees compatibility and quality for serious drivers.\u003c\/p\u003e\u003cp\u003ePair it with other clutch parts to build a robust system that responds instantly to throttle inputs, giving you that vital advantage over rivals.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this bushing compatible with all Nor-Am clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, the NAB018 is specifically engineered for Nor-Am STAR clutches using 13-tooth or 14-tooth drum configurations. Please verify your drum tooth count before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is it important to replace the clutch bushing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Over time, bushings wear down, causing play between the drum and the clutch assembly. Replacing it ensures a snug fit, minimizes friction, and prevents premature wear on your drums and sprockets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this bushing improve my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By reducing misalignment and play, this bushing allows for more precise clutch engagement. This leads to smoother shifts, quicker acceleration out of corners, and more consistent lap times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the NAB018 bushing difficult to install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is designed for easy installation, allowing you to perform routine maintenance and get back on the track with minimal downtime.\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\/nad763-billet-14t-35-drum-nad763\"\u003eBillet 14-Tooth #35 Drum Enhancing MiniCup Clutch Dynamics\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/naw052-star-clutch-inner-thrust-washer-naw052\"\u003eInner Thrust Washer for Reliable Nor-Am STAR Clutch Operation\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\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\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562578964798,"sku":"NAB018","price":28.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-nab018-bushing-for-13-14-drums-nab018.png?v=1771935009"},{"product_id":"naw052-star-clutch-inner-thrust-washer-naw052","title":"Inner Thrust Washer for Reliable Nor-Am STAR Clutch Operation","description":"\u003cp\u003eSmall but mighty, this inner thrust washer fortifies your STAR clutch against everyday rigors.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits precisely within Nor-Am STAR assemblies.\u003c\/li\u003e\n\u003cli\u003eDistributes thrust to protect bearings and shafts.\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant for long-term use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBy managing forces during engagement, it reduces vibration, leading to crisper handling and quicker laps. Ideal for frequent rebuilds. SKU: NAW052 guarantees fit.\u003c\/p\u003e\u003cp\u003eSecure your setup and race with confidence.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the inner thrust washer important for my Nor-Am STAR clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This washer is critical for managing axial forces during clutch engagement. By distributing thrust loads, it prevents premature wear on your bearings and shafts, ensuring smoother operation and consistent performance on the track.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I replace the inner thrust washer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect this washer during every clutch rebuild. If you notice signs of thinning, scoring, or deformation, it should be replaced immediately to maintain proper clutch alignment and prevent damage to more expensive internal components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this washer require any special lubrication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the washer is corrosion-resistant, it is good practice to ensure it is clean and lightly lubricated according to your specific clutch maintenance schedule to reduce friction and heat buildup during high-RPM engagement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this washer compatible with other Nor-Am clutch models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NAW052 is specifically engineered for the Nor-Am STAR clutch assembly. Always verify your clutch model before installation to ensure proper fitment and safety.\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\/naky025-key-for-star-clutch-naky025\"\u003eStepped Key for Secure Nor-Am STAR Clutch Assembly\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\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562614452542,"sku":"NAW052","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-naw052-star-clutch-inner-thrust-washer-naw052.jpg?v=1763112848"},{"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":"nasd13-billet-13t-35-star-drum-nasd13","title":"Noram Star NASD13 Billet 13-Tooth #35 Clutch Drum","description":"\u003cp\u003ePrecision-machined for maximum power transfer, the Noram Star NASD13 Billet 13-Tooth #35 Clutch Drum is one of the most critical \u003cstrong\u003ego kart components\u003c\/strong\u003e for racers demanding immediate throttle response. By drastically reducing rotational mass, this CNC-machined billet aluminum drum allows your powerplant to spool up with zero hesitation. In competitive racing, where inertia is the enemy of acceleration, shedding weight at the clutch assembly translates directly to faster corner exits and superior straight-line speed.\u003c\/p\u003e\u003ch2\u003eOptimized for the Modern Two Cycle Engine\u003c\/h2\u003e\u003cp\u003eHigh-revving powerplants require drivetrains that can handle extreme thermal loads and rapid RPM spikes. This drum is engineered to withstand the brutal harmonics of a high-output \u003cstrong\u003etwo cycle engine\u003c\/strong\u003e, ensuring your clutch shoes engage with absolute consistency. The superior ventilation channels actively dissipate heat during grueling endurance runs, preventing the clutch fade that plagues stamped steel alternatives. Whether you are tuning for a high-speed asphalt sprint or a tight dirt oval, the NASD13 delivers a harmonious balance of torque multiplication and top-end speed.\u003c\/p\u003e\u003ch2\u003eEssential Parts Mini Sprints and Karts Rely On\u003c\/h2\u003e\u003cp\u003eWhen building a championship-winning chassis, every ounce matters. As one of the premier \u003cstrong\u003eparts mini\u003c\/strong\u003e sprint and kart builders trust, this billet drum offers unparalleled structural rigidity. The precision-cut splines guarantee a wobble-free sprocket mounting surface, eliminating parasitic drag and chain derailments. Maintenance is streamlined, allowing pit crews to perform rapid post-race inspections and spring swaps.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e13-Tooth Configuration:\u003c\/strong\u003e Delivers an aggressive torque curve ideal for tight, technical track layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#35 Chain Compatibility:\u003c\/strong\u003e Ensures seamless, heavy-duty integration with standard racing drivetrains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet Aluminum Construction:\u003c\/strong\u003e Resists warping and bell-mouthing under extreme heat and 4000+ RPM stall speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Rotational Inertia:\u003c\/strong\u003e Frees up horsepower, allowing the engine to reach its powerband faster.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Thermal Venting:\u003c\/strong\u003e Expels clutch dust and heat to maintain optimal friction shoe engagement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Spline Drive:\u003c\/strong\u003e Locks the sprocket dead-center for flawless chain alignment and zero wobble.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoram Star Ecosystem:\u003c\/strong\u003e Perfectly calibrated to house Noram Star clutch shoes and engagement springs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eThe Performance Parts Of Us All\u003c\/h2\u003e\u003cp\u003eRacing is about pushing boundaries, and the drive to win is the core of the \u003cstrong\u003eparts of us\u003c\/strong\u003e that refuse to settle for second place. The aesthetic brilliance of the billet finish is matched only by its ruthless efficiency on the tarmac. By upgrading to the NASD13, you are investing in a proven mechanical advantage that compounds lap after lap. Stop losing time to heavy, unbalanced stock drums and experience the immediate, visceral acceleration that only true billet engineering can provide.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a billet aluminum drum over a stamped steel version?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Billet aluminum offers superior structural rigidity and heat dissipation. Unlike stamped steel, which can warp or \"bell-mouth\" under the extreme heat and high RPMs of competitive racing, the NASD13 maintains its shape to ensure consistent clutch shoe engagement and prevent power-robbing drag.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the NASD13 compatible with all #35 chain setups?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this drum is specifically engineered for #35 chain compatibility. The precision-cut splines ensure a perfect, wobble-free fit for your sprocket, which is essential for maintaining proper chain alignment and preventing derailments during high-speed cornering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 13-tooth configuration affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 13-tooth configuration is designed to provide an aggressive torque curve. It is ideal for tight, technical track layouts where rapid acceleration out of corners is more critical than top-end speed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for the Noram Star billet drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To ensure longevity, perform regular post-race inspections to check for debris or excessive clutch dust buildup within the ventilation channels. Because the drum is precision-machined, keeping the spline area clean and lightly lubricated will ensure smooth sprocket swaps and consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this drum with my existing Noram Star clutch shoes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the NASD13 is part of the Noram Star ecosystem and is perfectly calibrated to house Noram Star clutch shoes and engagement springs, ensuring a seamless fit and optimal friction engagement.\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\/nasd16-billet-16t-35-star-drum-nasd16\"\u003eNoram Star 16-Tooth #35 Clutch Drum - Billet Design - Up to 18HP\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\n\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\u003c\/ul\u003e","brand":"Noram","offers":[{"title":"Default Title","offer_id":52562653446462,"sku":"NASD13","price":197.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-nasd13-billet-13t-35-star-drum-nasd13.jpg?v=1763113697"},{"product_id":"nasd14-billet-14t-35-star-drum-nasd14","title":"Noram Star Billet Clutch Drum - 14-Tooth #35 Pitch - 4-Cycle Racing","description":"\u003cp\u003ePrecision engagement and explosive corner-exit acceleration define the Noram NASD14 billet drum, an essential upgrade for any competitive go kart demanding maximum power transfer. When fractions of a second separate the podium from the paddock, eliminating rotational mass in your driveline is non-negotiable. Crafted from aerospace-grade billet aluminum, this 14-tooth, #35 pitch drum drastically reduces unsprung weight compared to standard cast alternatives, allowing your engine to spool up with explosive force.\u003c\/p\u003e\u003ch2\u003eMaximizing Your Kart Racing Motor's Output\u003c\/h2\u003e\u003cp\u003eTo extract every ounce of performance from your kart racing motor, your clutch system must operate flawlessly under extreme thermal loads. The NASD14 shifts the gear ratio slightly to favor a broader powerband, delivering the top-end speed required for longer circuits without sacrificing low-end punch. Unlike a standard belt drive setup that can suffer from parasitic loss and slippage under heavy torque, this direct chain-drive drum ensures immediate throttle response. Furthermore, when you are fine-tuning your air\/fuel mixture with upgraded carburetor parts, this precision billet drum ensures that newly unlocked horsepower translates directly to the tarmac.\u003c\/p\u003e\u003ch2\u003eAerospace-Grade Billet Construction for Endurance\u003c\/h2\u003e\u003cp\u003eHeat is the enemy of any friction-based component. Noram engineered this drum with advanced cooling fins that actively dissipate thermal buildup during multi-heat formats and grueling endurance races. The precision CNC machining guarantees perfect concentricity, which significantly reduces bearing wear and eliminates the high-speed vibrations that can unsettle a racing chassis. This level of engineering ensures that your clutch engagement remains progressive and consistent from the green flag to the checkered.\u003c\/p\u003e\u003ch2\u003eThe Competitive Edge on the Track\u003c\/h2\u003e\u003cp\u003eSmooth power delivery is the secret to maintaining momentum through technical sectors. By mitigating harsh engagements, the Noram Star billet drum prevents unwanted wheel spin on loose or rubbered-in surfaces. Pairing this refined driveline component with the best go kart tires for racing guarantees that your chassis remains planted, allowing you to carry maximum speed through chicanes and straights. Whether you are a weekend warrior or a seasoned professional, the NASD14 delivers measurable improvements in both speed and reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e14-Tooth #35 Pitch:\u003c\/strong\u003e Ideal for tracks demanding quick revs and sustained mid-range pull.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerospace-Grade Billet Aluminum:\u003c\/strong\u003e Minimizes unsprung weight while resisting the fatigue of high-RPM racing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Cooling Fins:\u003c\/strong\u003e Rapidly dissipates heat to prevent clutch fade during grueling endurance events.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machined Concentricity:\u003c\/strong\u003e Reduces bearing wear and ensures vibration-free operation at top speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Power Delivery:\u003c\/strong\u003e Works with clutch shoes for progressive engagement, reducing wheel spin on corner exit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement Fitment:\u003c\/strong\u003e Easily installs on standard Noram Star clutch hubs with basic tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChampionship Proven Durability:\u003c\/strong\u003e Resists the dents, cracking, and warping that plague standard cast drums.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the Noram NASD14 compatible with my existing Noram Star clutch hub?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the NASD14 is designed as a direct replacement for standard Noram Star clutch hubs. It installs easily using basic hand tools, allowing for a quick swap at the track.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a billet aluminum drum over a standard cast drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Billet aluminum significantly reduces rotational mass (unsprung weight), which allows your engine to reach peak RPM faster. Additionally, the billet construction is much more resistant to the cracking, warping, and denting often seen in cast drums under high-heat racing conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 14-tooth sprocket size affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 14-tooth sprocket is ideal for tracks that require a balance of quick acceleration and sustained mid-range pull. It helps broaden your powerband, providing better top-end speed on longer straights compared to smaller tooth counts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain the cooling fins on this drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The cooling fins are designed to dissipate heat automatically during operation. To maintain peak performance, simply ensure the drum is kept free of excessive chain lube buildup or track debris, which can insulate the metal and trap heat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to replace my clutch shoes when installing a new drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the drum is a standalone upgrade, it is best practice to inspect your clutch shoes for uneven wear or glazing whenever you install a new drum to ensure perfect concentricity and smooth engagement.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\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\/nasd16-billet-16t-35-star-drum-nasd16\"\u003eNoram Star 16-Tooth #35 Clutch Drum - Billet Design - Up to 18HP\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\/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":52562653479230,"sku":"NASD14","price":197.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-nasd14-billet-14t-35-star-drum-nasd14.jpg?v=1763113698"},{"product_id":"nasd15-billet-15t-35-star-drum-nasd15","title":"Durable Billet 15-Tooth #35 Star Drum for Kart Power Transfer","description":"\u003ci\u003eBalance speed and strength\u003c\/i\u003e with the NASD15, where billet innovation drives karting forward.\u003cp\u003eThis 15T #35 drum excels in setups requiring a blend of low-end grunt and high-speed capability, making it a favorite for versatile track layouts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e15-tooth design optimizes gear ratios for mixed corner speeds.\u003c\/li\u003e\n\u003cli\u003eBillet construction for reduced inertia and increased RPM response.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard STAR clutch internals for easy swaps.\u003c\/li\u003e\n\u003cli\u003eRobust hubs prevent slippage under peak loads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEngineers note how its weight savings translate to tangible gains: think 0.1 seconds per lap from improved clutch hook-up. In dusty or wet conditions, the drum's surface treatment aids in maintaining traction, crucial for staying on line. It integrates flawlessly with Nor-Am's ecosystem, enhancing overall drive-line harmony.\u003c\/p\u003e\u003cp\u003eDuring rebuilds, opt for this drum to future-proof your kart against wear. Its thermal properties keep the assembly cool, avoiding the power dips from overheating. Racers in club series to national events appreciate the reliability that lets them push harder without fear of breakdown.\u003c\/p\u003e\u003cp\u003eThe 15T count strikes a sweet spot for many engine packages, allowing tuners to dial in ratios without major chain adjustments. Simple to mount, it saves time in the pits, keeping you focused on strategy rather than mechanics. SKU: NASD15 signifies premium Nor-Am craftsmanship.\u003c\/p\u003e\u003cp\u003eUpgrade to this drum and sense the kart come alive, responding eagerly to your inputs for that podium push.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this 15-tooth drum compatible with my existing STAR clutch internals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the NASD15 is specifically engineered for seamless integration with standard Nor-Am STAR clutch internals, making it a direct-fit upgrade for your current assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 15-tooth count affect my kart's performance compared to other sizes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 15T configuration is designed to strike a balance between low-end torque and top-end speed. It is an ideal choice for mixed-layout tracks where you need responsive corner exits without sacrificing straight-line velocity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the benefits of the billet construction over a standard drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The billet construction reduces rotational inertia, which allows for faster RPM response and improved clutch hook-up. Additionally, its superior thermal properties help dissipate heat, preventing power-robbing fade during long race sessions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this drum require any special maintenance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the drum is built for durability, we recommend inspecting the surface for wear during your routine clutch rebuilds. Keeping the drum clean and ensuring your chain tension is properly adjusted will maximize the lifespan of the hub and prevent premature slippage.\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\/nanb-needle-bearing-13t-up-nanb\"\u003eNeedle Bearing for 13-Tooth and Up Noram Kart Drums\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\u003cli\u003e\u003ca href=\"\/products\/naw052-star-clutch-inner-thrust-washer-naw052\"\u003eInner Thrust Washer for Reliable Nor-Am STAR Clutch Operation\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\u003c\/ul\u003e","brand":"Noram","offers":[{"title":"Default Title","offer_id":52562653544766,"sku":"NASD15","price":118.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-nasd15-billet-15t-35-star-drum-nasd15.jpg?v=1763113699"},{"product_id":"nasd16-billet-16t-35-star-drum-nasd16","title":"Noram Star 16-Tooth #35 Clutch Drum - Billet Design - Up to 18HP","description":"Dominating the track in competitive go karting for adults demands precision power transfer, and the Noram Star 16-Tooth #35 Clutch Drum delivers exactly that. Engineered specifically for high-output engines up to 18HP, this billet drum minimizes rotational mass while maximizing engagement consistency. When you are pushing the limits on tight circuits, the 16T #35 configuration provides the ideal gearing ratio to keep your engine in its optimal powerband, ensuring explosive corner exits and sustained top-end velocity.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eOptimizing Power Delivery to Your Wheels and Accessories\u003c\/h2\u003e\u003cbr\u003eA high-performance clutch drum is only as good as the power it puts to the ground. By reducing startup lag and minimizing energy loss through clutch slippage, the Noram Star drum ensures that every ounce of horsepower is efficiently channeled to your rear axle. This means your carefully selected wheels and accessories can actually do their job, translating raw engine output into mechanical grip. The billet construction resists the extreme thermal loads generated during multi-lap shootouts, preventing the bell distortion that plagues stamped alternatives.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eTuning Your Setup: From the LO206 Carburetor Kit to the Drivetrain\u003c\/h2\u003e\u003cbr\u003eSerious tuners know that a fast kart requires harmony across all systems. Whether you are dialing in a rich mixture with a precision lo206 carburetor kit or adjusting your chassis stiffness, your drivetrain must respond predictably. This drum allows for granular gearing adjustments, adapting seamlessly to track evolutions and tire degradation.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e16-Tooth #35 Pitch Configuration:\u003c\/strong\u003e Delivers a balanced ratio for medium-to-high speed tracks, optimizing top-end pull.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Billet Construction:\u003c\/strong\u003e Resists heat warping and maintains strict dimensional tolerances under extreme racing loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Rotational Inertia:\u003c\/strong\u003e Balances quick spool-up times with enough mass to prevent harsh, unstable clutch engagement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 18HP Compatibility:\u003c\/strong\u003e Built to handle the torque output of modified 4-cycle engines without premature wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machined Surfaces:\u003c\/strong\u003e Ensures uniform shoe contact, extending the lifespan of both the drum and internal clutch components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Drivetrain Integration:\u003c\/strong\u003e Drops directly into Noram Star setups, reducing paddock wrenching time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Heat Dissipation:\u003c\/strong\u003e Sheds thermal buildup rapidly to prevent clutch fade during extended endurance features.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ch2\u003eSafety and Speed: Pairing with the Best Helmets\u003c\/h2\u003e\u003cbr\u003eWhen you upgrade your drivetrain to achieve higher terminal velocities, safety becomes paramount. As you hit new top speeds down the straightaway, ensuring you are equipped with the best helmets and protective gear is just as critical as your mechanical setup. The Noram NASD16 denotes top-tier manufacturing for serious competitors who refuse to compromise on performance or reliability. From local club races to elite national divisions, this clutch drum provides the handling precision and acceleration required to secure your spot on the podium.\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the Noram Star 16-Tooth #35 Clutch Drum compatible with all Noram clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This drum is specifically engineered for the Noram Star clutch series. It is not a universal fit for all Noram models, such as the GE or Arena series, so please ensure your clutch assembly is a Star model before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a billet drum over a stamped steel alternative?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Billet construction offers superior structural integrity. Unlike stamped drums, which can distort under the intense heat and torque of high-output engines (up to 18HP), billet drums maintain their shape, ensuring consistent shoe contact and preventing clutch fade during long races.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does changing to a 16-tooth sprocket affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 16-tooth sprocket is generally used to optimize top-end speed on medium-to-high speed tracks. It provides a taller gear ratio compared to smaller tooth counts, allowing for better sustained velocity on long straightaways.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for this clutch drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To maximize the lifespan of your drum, regularly inspect the inner friction surface for glazing or heat scoring. Keep the drum clean of debris and ensure your clutch shoes are properly seated to prevent uneven wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this drum with a #35 chain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this drum is precision-machined specifically for #35 pitch chains, ensuring smooth power transfer and reduced chain wear.\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\/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":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562653577534,"sku":"NASD16","price":149.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-nasd16-billet-16t-35-star-drum-nasd16.jpg?v=1763113701"},{"product_id":"nasd17-billet-17t-35-star-drum-nasd17","title":"Robust Billet 17-Tooth #35 Star Drum for Kart Torque Boost","description":"Torque enthusiasts rejoice: the NASD17 delivers 17T prowess in a billet package that's built to last.\u003cp\u003ePerfect for tracks with long straights, this #35 drum facilitates higher cruising speeds without sacrificing low-end punch.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e17-tooth layout for torque-heavy applications.\u003c\/li\u003e\n\u003cli\u003eBillet aluminum for strength-to-weight superiority.\u003c\/li\u003e\n\u003cli\u003eOptimized for STAR clutch synergy.\u003c\/li\u003e\n\u003cli\u003eDurable against impacts and thermal cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn action, it grips and transfers power relentlessly, aiding in hill climbs and acceleration zones. The reduced mass aids in quicker direction changes, vital for technical courses. Nor-Am's design philosophy shines here, prioritizing racer needs.\u003c\/p\u003e\u003cp\u003eMaintenance pros highlight its resistance to deformation, extending service intervals. Gearing flexibility makes it adaptable across seasons. Pair with appropriate shoes for peak efficiency. SKU: NASD17 ensures genuine performance.\u003c\/p\u003e\u003cp\u003eFeel the surge as your kart hooks up flawlessly, propelling you toward victory.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this 17-tooth drum compatible with all Nor-Am clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This drum is specifically optimized for the Nor-Am STAR clutch series. Please ensure your clutch assembly is a STAR model to guarantee proper fitment and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose a billet aluminum drum over a standard steel version?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Billet aluminum offers a superior strength-to-weight ratio. The reduced mass allows for quicker direction changes and improved acceleration, which is vital for technical karting courses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What track conditions are best suited for a 17-tooth sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 17T configuration is ideal for tracks with long straights where you need to maintain higher cruising speeds without sacrificing the low-end punch required for acceleration zones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain my billet clutch drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This drum is highly resistant to deformation and thermal cycles. To extend service life, regularly inspect the drum for wear and ensure it is paired with the correct clutch shoes for your specific racing application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need any specific hardware to install this drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the drum is a direct fit for STAR systems, always ensure your needle bearings and thrust washers are in good condition during installation to maintain peak efficiency.\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\/nanb-needle-bearing-13t-up-nanb\"\u003eNeedle Bearing for 13-Tooth and Up Noram Kart Drums\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/naw052-star-clutch-inner-thrust-washer-naw052\"\u003eInner Thrust Washer for Reliable Nor-Am STAR Clutch Operation\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\/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":52562653643070,"sku":"NASD17","price":149.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-nasd17-billet-17t-35-star-drum-nasd17.jpg?v=1763113701"},{"product_id":"nasd18-billet-18t-35-star-drum-nasd18","title":"Elite Billet 18-Tooth #35 Star Drum for Maximum Kart Velocity","description":"Velocity is king, and the NASD18 18T billet drum crowns your STAR clutch for top-speed pursuits.\u003cp\u003eSuited for flat, fast ovals, its design emphasizes quick rotation and endurance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e18 teeth for ultimate high-RPM efficiency.\u003c\/li\u003e\n\u003cli\u003eBillet precision for minimal drag.\u003c\/li\u003e\n\u003cli\u003eSeamless #35 integration.\u003c\/li\u003e\n\u003cli\u003eBuilt tough for pro-level abuse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt excels in sustaining momentum, reducing the effort needed for passing maneuvers. Lightweight benefits compound with aero setups for lap record attempts. In the Nor-Am lineup, it's the pinnacle for speed demons.\u003c\/p\u003e\u003cp\u003eTech specs confirm its balance of lightness and rigidity, preventing flex under load. Versatile for engine tuning. SKU: NASD18 marks elite status.\u003c\/p\u003e\u003cp\u003eHarness this drum to slice through air, achieving speeds that leave competitors behind.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this 18-tooth drum compatible with all Nor-Am clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This NASD18 drum is specifically designed for the Nor-Am STAR clutch series. Please ensure your clutch assembly is a STAR model before installation to ensure proper fitment and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose a billet drum over a standard stamped drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Billet precision offers superior structural integrity and minimal drag. The increased rigidity prevents the drum from flexing under high-RPM loads, which helps maintain consistent power transfer and improves overall durability during pro-level racing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of the 18-tooth configuration for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 18-tooth count is optimized for high-RPM efficiency and top-speed pursuits. It is ideal for flat, fast oval tracks where sustaining momentum and reducing drag are critical for competitive lap times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need any specific maintenance for this billet drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To maximize the lifespan of your drum, ensure it is kept clean of debris and properly lubricated according to your clutch maintenance schedule. Regularly inspect the teeth for signs of wear to maintain seamless #35 chain integration.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nasd17-billet-17t-35-star-drum-nasd17\"\u003eRobust Billet 17-Tooth #35 Star Drum for Kart Torque Boost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nasd15-billet-15t-35-star-drum-nasd15\"\u003eDurable Billet 15-Tooth #35 Star Drum for Kart Power Transfer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nanb-needle-bearing-13t-up-nanb\"\u003eNeedle Bearing for 13-Tooth and Up Noram Kart Drums\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\u003cli\u003e\u003ca href=\"\/products\/naw052-star-clutch-inner-thrust-washer-naw052\"\u003eInner Thrust Washer for Reliable Nor-Am STAR Clutch Operation\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562653675838,"sku":"NASD18","price":149.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-nasd18-billet-18t-35-star-drum-nasd18.jpg?v=1763113703"},{"product_id":"naky025-key-for-star-clutch-naky025","title":"Stepped Key for Secure Nor-Am STAR Clutch Assembly","description":"\u003cp\u003eSecure connections prevent power-robbing vibrations—enter the stepped key that locks everything in place.\u003c\/p\u003e\u003cp\u003eFor Nor-Am STAR series clutches, the NAKY025 Key is the unsung hero ensuring your assembly stays tight under racing duress. Its stepped design provides superior grip compared to standard keys, minimizing shear risks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits all STAR clutch models for universal compatibility.\u003c\/li\u003e\n\u003cli\u003eMachined from hardened steel to endure high-torque demands.\u003c\/li\u003e\n\u003cli\u003eInstalls effortlessly to align clutch with engine output shaft.\u003c\/li\u003e\n\u003cli\u003eEnhances overall system stability for smoother rides.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn karting, where every ounce of power matters, a loose key can lead to catastrophic failure mid-race. This component eliminates that worry, allowing full focus on driving lines and apexes. By maintaining perfect synchronization, it helps convert more engine output into forward momentum, potentially dropping your lap times noticeably. Mechanics recommend it for rebuilds to restore factory-level performance.\u003c\/p\u003e\u003cp\u003eIntegrate it into your routine maintenance, and watch how it contributes to a more responsive kart. SKU: NAKY025 confirms its role as a vital Nor-Am accessory for competitive setups.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is a stepped key better than a standard square key for my Nor-Am STAR clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The stepped design provides a more precise, mechanical lock between the engine output shaft and the clutch. This superior grip significantly reduces the risk of the key shearing under high-torque racing conditions, preventing power loss and potential clutch failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the NAKY025 key compatible with all Nor-Am STAR series clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this key is specifically engineered for universal compatibility across all STAR clutch models, ensuring a secure fit regardless of your specific STAR configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch key?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to inspect your clutch key during every major engine rebuild or clutch service. If you notice any signs of deformation, wear, or \"rounding\" on the edges, replace it immediately to maintain perfect synchronization and prevent damage to your crankshaft or clutch hub.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need any special tools to install this stepped key?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No special tools are required. The key is designed for effortless installation to align your clutch with the engine output shaft. Ensure the keyway is clean and free of debris before sliding the clutch into place to ensure a snug, vibration-free fit.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/naw052-star-clutch-inner-thrust-washer-naw052\"\u003eInner Thrust Washer for Reliable Nor-Am STAR Clutch Operation\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\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\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562685493566,"sku":"NAKY025","price":17.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-naky025-key-for-star-clutch-naky025.jpg?v=1763114316"},{"product_id":"nac079-shoe-for-star-clutch-sold-each-three-required-nac079","title":"Noram STAR Clutch Replacement Shoe - NAC079 High Friction - 4-Cycle Racing","description":"\u003cp\u003eWhen sourcing new kart parts for your drivetrain, the friction material dictates whether you launch off the corner or bog down in the pack. The Noram STAR NAC079 clutch shoe is engineered for absolute durability and consistent engagement under extreme thermal loads. In 4-cycle racing, clutch slip generates massive heat that destroys lesser components. This precision-engineered shoe delivers the gripping power required for seamless torque transfer from the crankshaft to the rear axle, ensuring your setup remains reliable lap after lap.\u003c\/p\u003e\u003ch2\u003eOptimizing Torque Transfer Beyond the Motor Mount\u003c\/h2\u003e\u003cp\u003eA rigid motor mount and properly aligned chassis mean nothing if your clutch shoes are glazed or worn. The Noram STAR clutch requires three of these NAC079 shoes to function optimally. By replacing them as a matched set, you guarantee uniform expansion against the drum at your target stall speed. Whether you are running heavy senior classes or tuning for junior restrictor plates, this shoe's proprietary friction lining resists the high RPM thermal stress that typically causes late-race power loss.\u003c\/p\u003e\u003ch2\u003eReliability That Outlasts the Competition\u003c\/h2\u003e\u003cp\u003eKarting demands components that survive brutal conditions. Just as you invest in kart wheels and tires for mechanical grip or good helmets for driver safety, investing in authentic Noram clutch internals ensures your driveline won't fail when you need it most. Even if you're just browsing go karts for sale near me to start your racing journey, understanding the importance of a reliable clutch engagement profile is critical to long-term success.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProprietary Friction Lining:\u003c\/strong\u003e Engineered for maximum bite and minimal slip, extending the lifespan of your clutch drum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Thermal Endurance:\u003c\/strong\u003e Resists glazing and fading under extreme heat generated by heavy slip conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Engagement:\u003c\/strong\u003e Delivers repeatable stall speeds to keep your engine in its peak powerband.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Replacement:\u003c\/strong\u003e Exact fit for Noram STAR clutches (NAC079), ensuring hassle-free rebuilds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Weight Profile:\u003c\/strong\u003e Manufactured to strict tolerances to prevent clutch vibration at high RPMs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold Individually:\u003c\/strong\u003e Allows for flexible maintenance, though replacing all three simultaneously is highly recommended for reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Built to withstand the rigorous demands of competitive 4-cycle sprint racing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMaintaining a strict rebuild schedule for your Noram STAR clutch is the hallmark of a professional karting program. Inspecting these shoes for uneven wear patterns can also diagnose alignment issues early. Don't let subpar friction material compromise your race weekend. Equip your clutch with authentic Noram replacement shoes and experience the reliability that keeps you at the front of the field.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many clutch shoes do I need to replace at once?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Noram STAR clutch requires three shoes for proper operation. While these are sold individually, we strongly recommend replacing all three at the same time to ensure uniform weight, balanced engagement, and consistent stall speeds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when my clutch shoes are worn out?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Inspect your shoes for glazing (a shiny, smooth surface), uneven wear patterns, or thinning of the friction material. If you notice the kart \"bogging\" off the corner or the engine RPMs are not reaching your target stall speed, it is likely time for a replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the NAC079 shoe require any special break-in?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. After installing new shoes, perform a few light laps to allow the friction material to seat properly against the drum. Avoid aggressive, high-heat starts immediately after installation to prevent premature glazing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these shoes with different Noram drum sizes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NAC079 is specifically engineered for the Noram STAR clutch system. Ensure your drum is clean and free of debris before installation to maximize the lifespan of the new friction lining.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What causes clutch shoes to glaze?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Glazing is typically caused by excessive heat generated from prolonged clutch slip. This often happens if the kart is geared too tall, the engine is underpowered for the track conditions, or if the clutch springs are not matched to the engine's powerband.\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\/nasd16-billet-16t-35-star-drum-nasd16\"\u003eNoram Star 16-Tooth #35 Clutch Drum - Billet Design - Up to 18HP\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\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\u003c\/ul\u003e","brand":"Noram","offers":[{"title":"Default Title","offer_id":52562698666302,"sku":"NAC079","price":39.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-nac079-shoe-for-star-clutch-sold-each-three-required-nac079.jpg?v=1763114450"},{"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":"nor-am-star-clutch-nastar","title":"Nor-Am STAR Clutch - High-Performance Kart Racing Clutch Available in 13T-18T","description":"\u003cp\u003eThe Nor-Am STAR Clutch in #35 13T configuration is a top-tier choice for kart racing enthusiasts seeking unmatched reliability and performance in their drive-line components. Engineered with precision, this complete clutch assembly is designed to deliver seamless power transfer, minimizing slippage and maximizing acceleration on the track. The 13T sprocket size is ideal for setups requiring higher top speeds and efficient gearing in longer, faster tracks. Whether you're competing in local races or high-stakes championships, the Nor-Am STAR Clutch with #35 13T stands out for its durable construction and innovative design that handles the rigors of intense karting sessions.\u003c\/p\u003e\u003cp\u003eAt the heart of the Nor-Am STAR Clutch #35 13T is its robust build, featuring high-quality materials that resist wear and tear from high RPMs and aggressive driving. This clutch integrates effortlessly with various kart chassis and engines, making it a versatile addition to your setup. The STAR series is renowned in the karting community for its balance of lightweight design and heavy-duty performance, ensuring you get the edge without compromising on speed or control, especially with the lower tooth count for optimized high-end velocity.\u003c\/p\u003e\u003cp\u003eKey features of the Nor-Am STAR Clutch #35 13T include advanced shoe engagement for quick response times, which is crucial during starts and overtakes. Its centrifugal operation allows for progressive engagement as engine speeds increase, providing smooth transitions that enhance overall drivability. This 13T variant is particularly suitable for a wide range of kart classes, from junior to senior divisions, where consistent power delivery and higher gearing can make all the difference in straight-line speed.\u003c\/p\u003e\u003cp\u003eInstallation is straightforward, thanks to the clutch's user-friendly design. Kart mechanics appreciate the straightforward bolt-on compatibility with standard Nor-Am drive-line systems, reducing downtime and allowing more time on the track. Regular maintenance is minimal, but when needed, parts are readily available, ensuring your Nor-Am STAR Clutch #35 13T remains in peak condition season after season.\u003c\/p\u003e\u003cp\u003eIn terms of performance benefits, users report noticeable improvements in throttle response and reduced heat buildup during prolonged races with this 13T setup. The clutch's ability to maintain grip under load translates to fewer spin-outs and more predictable handling, giving drivers the confidence to push their limits on speed-focused courses. For teams focused on fine-tuning, the Nor-Am STAR Clutch #35 13T offers tunable aspects that allow customization to match specific track conditions or engine tuning for maximum velocity.\u003c\/p\u003e\u003cp\u003eWhy choose the Nor-Am STAR Clutch #35 13T over generic alternatives? It's backed by Nor-Am's reputation for quality in clutches and parts, with a focus on innovation that keeps pace with evolving kart racing standards. This isn't just a component; it's an investment in your racing success, helping you achieve faster lap times and more podium finishes with its specialized 13T gearing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete clutch assembly with #35 13T sprocket ready for immediate use\u003c\/li\u003e\n\u003cli\u003eCompatible with major kart brands and setups\u003c\/li\u003e\n\u003cli\u003eEngineered for high-speed endurance and top-end performance\u003c\/li\u003e\n\u003cli\u003eEasy integration into existing drive-line components\u003c\/li\u003e\n\u003cli\u003eTrusted by professional kart racers worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in multiple sprocket sizes to suit different gear ratios and racing styles, the Nor-Am STAR Clutch #35 13T ensures you can optimize your kart's performance precisely for speed-oriented applications. Whether you're building a new kart or upgrading an existing one, this clutch is a must-have for serious competitors in the drive-line components category.\u003c\/p\u003e\u003cp\u003eExplore the full range of Nor-Am clutches and STAR clutches to complete your setup. With its proven track record, the Nor-Am STAR Clutch #35 13T continues to be a staple in kart racing garages everywhere, delivering the power and precision needed to dominate the competition.\u003c\/p\u003e","brand":"Nor-Am","offers":[{"title":"#35 13T","offer_id":52568995627326,"sku":"NASTAR**#35 13T","price":291.53,"currency_code":"USD","in_stock":true},{"title":"#35 14T","offer_id":53239550542142,"sku":"NASTAR**#35 14T","price":291.53,"currency_code":"USD","in_stock":true},{"title":"#35 15T","offer_id":53239550574910,"sku":"NASTAR**#35 15T","price":291.53,"currency_code":"USD","in_stock":true},{"title":"#35 16T","offer_id":53239550607678,"sku":"NASTAR**#35 16T","price":291.53,"currency_code":"USD","in_stock":true},{"title":"#35 17T","offer_id":53239550640446,"sku":"NASTAR**#35 17T","price":291.53,"currency_code":"USD","in_stock":true},{"title":"#35 18T","offer_id":53239550673214,"sku":"NASTAR**#35 18T","price":291.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amstarclutches-nor-am-star-clutch-nastar.jpg?v=1763125227"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/nor-amstarclutches-nor-am-star-clutch-nastar.jpg?v=1788980460","url":"https:\/\/swiftkarting.com\/collections\/nor-am-star-kart-clutches-35-chain-drive-parts.oembed","provider":"Swift Karting","version":"1.0","type":"link"}