{"title":"Horstman Greased Lightning Clutch Parts","description":"\u003cp\u003eGreased Lightning is Horstman's kart clutch driver line, used with Horstman centrifugal clutches to mesh the chain and transfer engine torque toward the axle. Parts in this category include drivers sold by chain pitch such as #35 or #219 and by tooth count, plus related mounting hardware.\u003c\/p\u003e","products":[{"product_id":"4636-11t-bushing-4636","title":"Horstman 11T Bushing for Reliable Kart Clutch Support","description":"\u003cp\u003eStability starts here: the Horstman 11T Bushing secures your clutch's core, preventing misalignment that hampers performance. For 11-tooth configurations, it offers a snug fit that enhances torque transfer.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWear-Resistant:\u003c\/strong\u003e Engineered to outlast standard bushings in harsh conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci\u003eEasy Installation:\u003c\/i\u003e Drops in without special equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWith SKU 4636, expect smoother shifts and less vibration, keeping your kart planted for better lap times. It's a small upgrade with big impacts on track organization and reliability.\u003c\/p\u003e\u003cp\u003eIdeal for frequent racers, it integrates into MDC or standard Horstman parts, promoting consistent handling across sessions.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is a high-quality bushing important for my 11T clutch setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The bushing acts as the primary support for your clutch drum. A worn or low-quality bushing leads to misalignment, which causes uneven wear on your clutch components and robs your kart of power through inefficient torque transfer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this bushing compatible with all Horstman clutch systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This specific bushing is designed for 11-tooth configurations. It is engineered to integrate seamlessly into MDC or standard Horstman clutch assemblies to ensure consistent handling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when it is time to replace my clutch bushing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you notice increased vibration, inconsistent shifts, or excessive play in your clutch drum, it is likely time for a replacement. Regular inspection during your routine maintenance sessions will help you catch wear before it impacts your lap times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install the 4636 bushing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this bushing is designed for easy, drop-in installation. It does not require specialized equipment, making it a quick and effective upgrade for frequent racers.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcdh-reaper-drive-hub-rcdh\"\u003eReaper Drive Hub - High-Performance Horstman Clutch Core\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4638-splined-drive-hub-4638\"\u003eHorstman Splined Drive Hub for Seamless Kart Power Connection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4413-4416-drum-specify-tooth-13-16-4412-4416\"\u003eHorstman MDC Clutch Drum with 13T-16T Tooth Options for Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcsp-reaper-clutch-spacer-rcsp\"\u003eReaper Clutch Spacer for Precise Horstman Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rccw-reaper-crank-washer-rccw\"\u003eReaper Crank Washer for Optimal Horstman Clutch Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562567659838,"sku":"4636","price":18.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-4636-11t-bushing-4636.jpg?v=1763112016"},{"product_id":"4649-red-spring-modified-4649","title":"Modified Red Spring for Horstman Kart Clutches","description":"\u003cp\u003eCustomization meets reliability in the Horstman Modified Red Spring. Tweaked for higher resistance, it accelerates clutch bite, ideal for tracks demanding instant response.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModified Tension:\u003c\/strong\u003e Provides sharper pull than stock for aggressive setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci\u003eColor-Coded:\u003c\/i\u003e Red hue for easy identification in your kit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe SKU 4649 helps organize your spares while delivering lap-time gains through precise power modulation. Pair with matching weights for a tailored curve that suits your style.\u003c\/p\u003e\u003cp\u003eRacers find it extends engagement range, reducing slip in high-power scenarios without sacrificing smoothness.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the Modified Red Spring differ from the stock black spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Modified Red Spring offers higher resistance compared to the stock black spring. This creates a sharper, more aggressive clutch bite, which is ideal for tracks that require an instant response off the corner.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match these springs with other colors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While you can experiment with different spring tensions to tailor your clutch engagement curve, it is generally recommended to use a uniform set of springs to ensure balanced engagement and prevent uneven wear on your clutch components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your springs regularly for signs of fatigue or loss of tension. If you notice your kart is slipping excessively or the engagement RPM has dropped significantly, it is likely time to replace your springs to maintain peak performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spring compatible with all Horstman clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for use with Horstman clutch systems. Always ensure your specific clutch model supports the use of modified tension springs and pair them with the appropriate weight levers for your setup.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4650-black-spring-stock-4650\"\u003eStock Black Spring for Standard Horstman Kart Clutch Setup\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcwl-reaper-weight-lever-rcwl\"\u003eReaper Weight Lever - Tunable Horstman Clutch Element\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3051-mdc444-g-l-jr-weight-lever-3051\"\u003eMDC444 G\/L Jr. Weight Lever for Junior Kart Clutch Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcpp-reaper-pressure-plate-rcpp\"\u003eReaper Pressure Plate - Dynamic Horstman Clutch Controller\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4648-mdc-6-spring-weight-lever-support-plate-4648\"\u003eMDC 6-Spring Weight Lever Support Plate for High-Performance Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562583126334,"sku":"4649","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-4649-red-spring-modified-4649.jpg?v=1763112277"},{"product_id":"4650-black-spring-stock-4650","title":"Stock Black Spring for Standard Horstman Kart Clutch Setup","description":"Reliability in every coil— the Horstman Stock Black Spring sets the standard for clutch consistency. Its factory-spec tension supports smooth, predictable operation across various conditions.\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eStandard Rate:\u003c\/b\u003e Matches OEM requirements for hassle-free installs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eBlack Finish:\u003c\/em\u003e Corrosion-resistant for longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUsing SKU 4650 keeps your setup organized and true-to-form, minimizing variables during tuning. It's the foundation for building speed without overcomplicating things.\u003c\/p\u003e\u003cp\u003ePerfect for maintenance, it restores factory feel, aiding steady acceleration and control on familiar tracks.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my Horstman clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs lose tension over time due to heat cycles and mechanical stress. It is recommended to replace them as part of your routine maintenance schedule or whenever you notice inconsistent engagement or a drop in engine RPM performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix the black stock springs with other colored springs?\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 your clutch assembly. Mixing spring rates can cause uneven pressure on the pressure plate, leading to erratic engagement and potential damage to your clutch components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 4650 black spring compatible with all Horstman clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for standard Horstman clutch setups. Always verify your specific clutch model and manual requirements to ensure the spring rate matches your intended application and tuning needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of using factory-spec springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Using factory-spec springs ensures predictable, smooth engagement. It eliminates guesswork during your tuning process, allowing you to maintain a consistent baseline for your kart's acceleration and power transfer.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4649-red-spring-modified-4649\"\u003eModified Red Spring for Horstman Kart Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcpp-reaper-pressure-plate-rcpp\"\u003eReaper Pressure Plate - Dynamic Horstman Clutch Controller\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4648-mdc-6-spring-weight-lever-support-plate-4648\"\u003eMDC 6-Spring Weight Lever Support Plate for High-Performance Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4648-4-g-l-jr-mdc-4-spring-lever-support-4648-4\"\u003eG\/L Jr. MDC 4-Spring Lever Support for Advanced Kart Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4651-horstman-clutch-key-4651\"\u003eHorstman Clutch Key for Secure Kart Driveline Locking\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562583191870,"sku":"4650","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-4650-black-spring-stock-4650.jpg?v=1763112278"},{"product_id":"4651-horstman-clutch-key-4651","title":"Horstman Clutch Key for Secure Kart Driveline Locking","description":"\u003cp\u003eNo slip, all grip: the Horstman Clutch Key is the unsung hero of secure power transmission. It wedges firmly to keep components synchronized during aggressive runs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fit:\u003c\/strong\u003e Matches shaft specs for zero play.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci\u003eDurable Material:\u003c\/i\u003e Resists shearing under load.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSKU 4651 simplifies assembly, keeping your driveline organized and race-ready. Essential for avoiding power loss that costs positions.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the clutch key essential for my kart's driveline?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The clutch key acts as the critical locking mechanism between your crankshaft and the clutch hub. Without a secure, precision-fit key, you risk slippage, power loss, and potential damage to the keyway on your crankshaft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my clutch key needs to be replaced?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect the key whenever you remove the clutch for maintenance. If you notice any signs of shearing, deformation, or \"rounding\" of the edges, it must be replaced immediately to ensure safe and efficient power transmission.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this key compatible with all Horstman clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This key is designed for standard Horstman driveline applications. Always ensure your crankshaft keyway is clean and free of debris before installation to ensure the precision fit required for zero-play operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Any tips for installing the Horstman Clutch Key?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Ensure the key is seated fully into the crankshaft keyway before sliding the drive hub over it. If the fit is extremely tight, use a light coating of anti-seize or assembly lube to prevent galling, but ensure the key remains firmly in place during the final tightening of the clutch bolt.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcdh-reaper-drive-hub-rcdh\"\u003eReaper Drive Hub - High-Performance Horstman Clutch Core\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4638-splined-drive-hub-4638\"\u003eHorstman Splined Drive Hub for Seamless Kart Power Connection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hcb-clutch-mounting-kit-hcb\"\u003eHorstman Clutch Mounting Kit with Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcbk-reaper-bolt-kit-rcbk\"\u003eReaper Bolt Kit for Horstman Clutch Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rccw-reaper-crank-washer-rccw\"\u003eReaper Crank Washer for Optimal Horstman Clutch Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562622972222,"sku":"4651","price":2.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-4651-horstman-clutch-key-4651.jpg?v=1773751805"},{"product_id":"4638-splined-drive-hub-4638","title":"Horstman Splined Drive Hub for Seamless Kart Power Connection","description":"\u003cstrong\u003eLink every ounce of power directly to your wheels.\u003c\/strong\u003e The Horstman Splined Drive Hub excels in this role, with its splined design gripping securely to transmit force without backlash. Perfect for high-torque applications in competitive karting.\u003cp\u003eExplore its strengths:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSplines engineered for anti-slip performance under extreme loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Strength Alloy:\u003c\/b\u003e Resists shearing for long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eBalanced Weight:\u003c\/em\u003e Maintains rotational harmony for smoother rides.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOn the track, the SKU 4638 minimizes energy waste, allowing quicker throttle response and better control in corners. Pit mechanics appreciate its straightforward mounting, aiding fast turnarounds between heats.\u003c\/p\u003e\u003cp\u003eFor organized setups, it pairs with various drums and baskets, customizing your clutch to track demands. Racers report enhanced durability in endurance events, where consistent power is paramount. This hub isn't just a part—it's the backbone of your drivetrain's efficiency.\u003c\/p\u003e\u003cp\u003eTechnically, the spline count optimizes engagement speed, reducing wear on adjacent components. Whether for LO or TAG engines, it delivers the precision needed to edge out rivals.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the splined design improve my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The splined design provides a mechanical lock that eliminates backlash and prevents slippage under high-torque loads. This ensures that every bit of power from your engine is transferred directly to the drivetrain, resulting in sharper throttle response.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this hub compatible with different clutch drums?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the Horstman Splined Drive Hub is designed to be versatile. It pairs with a variety of clutch drums and baskets, allowing you to customize your clutch setup to meet specific track demands or engine classes like LO or TAG.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance is required for the drive hub?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Because this hub is engineered for high-stress racing environments, we recommend inspecting the splines for wear after every few race weekends. Ensure the mounting hardware is torqued correctly to maintain the integrity of the power connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this hub for both sprint and endurance racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. The high-strength alloy construction is specifically designed to resist shearing, making it an excellent choice for endurance events where consistent power transfer and long-term durability are critical.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/steel-drum-19t-glsd19\"\u003ePremium Horstman G\/L Steel Drum 19T for Kart Clutch Excellence\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/steel-drum-18t-glsd18\"\u003eReliable Horstman G\/L Steel Drum 18T for Superior Kart Power Transfer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/steel-drum-17t-glsd17\"\u003eHigh-Performance Horstman G\/L Steel Drum 17T for Kart Acceleration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/steel-drum-16t-glsd16\"\u003eHorstman Greased Lightning Steel Drum - 16T - 2-Cycle \/ 4-Cycle Karting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4651-horstman-clutch-key-4651\"\u003eHorstman Clutch Key for Secure Kart Driveline Locking\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562623725886,"sku":"4638","price":119.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-4638-splined-drive-hub-4638.jpg?v=1763113064"},{"product_id":"4656-outboard-mounting-kit-4656","title":"Horstman 4656 Outboard Mounting Kit - Vibration Dampening - Open Class","description":"\u003cp\u003eSecuring your drivetrain for high-stakes racing demands hardware that won't flinch under peak RPMs. The Horstman 4656 Outboard Mounting Kit is engineered to streamline external clutch installation, providing a rigid, vibration-resistant hold that keeps your power delivery consistent from the green flag to the checkered. Whether you are tuning high-output go kart transmissions or dialing in your chassis setup, this kit delivers the rock-solid alignment required for flawless acceleration and reduced component wear.\u003c\/p\u003e\u003ch2\u003ePrecision Alignment for Go Kart Transmissions\u003c\/h2\u003e\u003cp\u003eIn the pit, efficiency is everything. When you are thrashing to swap brake discs or organizing your tools tire changing equipment, you need clutch installation to be fast and bulletproof. The Horstman 4656 kit eliminates the guesswork of outboard mounting. By dampening harmonic vibrations and ensuring perfect concentricity, this hardware prevents premature wear on your clutch drum and crankshaft. It is the professional's choice for maintaining optimal chain tension and maximizing drivetrain longevity under severe track conditions.\u003c\/p\u003e\u003ch2\u003eEngineered for Unrelenting Durability\u003c\/h2\u003e\u003cp\u003eBuilt for the rigors of competitive motorsport, this mounting kit provides the structural integrity needed to handle aggressive launches and heavy braking zones. A misaligned clutch robs horsepower and destroys chains; the Horstman outboard kit guarantees that your rotational mass stays perfectly balanced.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Hardware Set:\u003c\/strong\u003e Includes all necessary bolts, spacers, and brackets for an immediate, hassle-free outboard assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Dampening Technology:\u003c\/strong\u003e Significantly reduces harmonic noise and mechanical wear across your drivetrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Horstman Fit:\u003c\/strong\u003e Seamlessly integrates with various Horstman clutch models for versatile application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Pit Installation:\u003c\/strong\u003e Enhances pit efficiency, allowing for lightning-fast mounts and dismounts during critical repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Delivery:\u003c\/strong\u003e Maintains perfect alignment to ensure smoother, more confident acceleration out of corners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Machined from high-tensile materials to withstand the extreme torsional loads of competitive karting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Builder's Choice:\u003c\/strong\u003e A proven time-saver during complete chassis builds, ensuring your driveline is race-ready.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't let a compromised clutch mount cost you a podium finish. Upgrade to the Horstman 4656 Outboard Mounting Kit and experience the reliability that professional mechanics trust.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is an outboard mounting kit necessary for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e An outboard mounting kit ensures your clutch is perfectly aligned with the crankshaft. Proper alignment prevents premature wear on your clutch drum and crankshaft, reduces harmonic vibrations, and ensures consistent power delivery to the rear axle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this kit work with all Horstman clutch models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Horstman 4656 is designed for universal integration with various Horstman clutch models. It is specifically engineered to provide a rigid, vibration-resistant hold for high-output racing transmissions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include all the hardware needed for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the 4656 kit is a complete hardware set. It includes all necessary bolts, spacers, and brackets required for a rapid, hassle-free outboard assembly in the pits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this kit improve my pit efficiency?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By streamlining the mounting process, this kit allows for faster clutch swaps and adjustments. It eliminates the guesswork of alignment, meaning you spend less time wrenching and more time on the track.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this kit handle the stress of competitive racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. It is machined from high-tensile materials specifically to withstand the extreme torsional loads, aggressive launches, and heavy braking zones found in competitive karting.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcsp-reaper-clutch-spacer-rcsp\"\u003eReaper Clutch Spacer for Precise Horstman Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rccw-reaper-crank-washer-rccw\"\u003eReaper Crank Washer for Optimal Horstman Clutch Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcbk-reaper-bolt-kit-rcbk\"\u003eReaper Bolt Kit for Horstman Clutch Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4651-horstman-clutch-key-4651\"\u003eHorstman Clutch Key for Secure Kart Driveline Locking\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hcb-clutch-mounting-kit-hcb\"\u003eHorstman Clutch Mounting Kit with Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562629099838,"sku":"4656","price":19.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-4656-outboard-mounting-kit-4656.jpg?v=1763113185"},{"product_id":"3129-backplate-hub-screw-3129","title":"Horstman Clutch Backplate Hub Screw for Secure Kart Assembly","description":"\u003cp\u003eSmall parts make big differences— the Horstman clutch backplate hub screw (SKU 3129) is proof. This precision fastener locks your backplate and hub firmly, eliminating play that could lead to power loss or failures mid-race.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant:\u003c\/strong\u003e Built to last through sweat, dirt, and track elements.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci\u003eEasy Threading:\u003c\/i\u003e Fits standard Horstman assemblies without tools slipping.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for racers who value organized, no-fuss repairs, it helps maintain clutch integrity for faster, safer laps.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is it important to use a specific Horstman backplate hub screw instead of a standard hardware store bolt?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Horstman clutch hardware is engineered to specific tolerances and material strengths required for high-RPM karting environments. Using the correct 3129 screw ensures proper thread engagement and vibration resistance, preventing the hub from loosening or causing catastrophic clutch failure during a race.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my clutch backplate hub screws?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should check your clutch hardware before every race day. Inspect for any signs of backing out, thread wear, or corrosion. If the screw shows signs of fatigue or if you have recently serviced the clutch hub, it is best practice to replace it to ensure a secure assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to use thread locker when installing this screw?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the screw is designed for a secure fit, many racers choose to use a small amount of medium-strength (blue) thread locker as an extra precaution against the intense vibrations found in karting. Always ensure the threads are clean and free of oil before application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this screw fit all Horstman clutch models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This screw is designed for standard Horstman assemblies. Please verify your specific clutch model (such as the Reaper or MDC series) to ensure compatibility, as different clutch configurations may utilize specific hardware lengths or thread pitches.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcdh-reaper-drive-hub-rcdh\"\u003eReaper Drive Hub - High-Performance Horstman Clutch Core\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4638-splined-drive-hub-4638\"\u003eHorstman Splined Drive Hub for Seamless Kart Power Connection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcbk-reaper-bolt-kit-rcbk\"\u003eReaper Bolt Kit for Horstman Clutch Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcdps-reaper-drive-plate-screw-rcdps\"\u003eReaper Drive Plate Screw - Secure Horstman Clutch Fastening\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hcb-clutch-mounting-kit-hcb\"\u003eHorstman Clutch Mounting Kit with Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562629689662,"sku":"3129","price":18.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-3129-backplate-hub-screw-3129.jpg?v=1763113200"},{"product_id":"4648-4-g-l-jr-mdc-4-spring-lever-support-4648-4","title":"G\/L Jr. MDC 4-Spring Lever Support for Advanced Kart Clutches","description":"Elevate junior kart performance with engineering finesse. The G\/L Jr. MDC 4-Spring Lever Support anchors your clutch levers securely, distributing spring force evenly to avoid binding or uneven wear.\u003cp\u003eStandout attributes include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFour-spring compatibility for tunable engagement profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Build:\u003c\/strong\u003e Endures the demands of young racers' aggressive styles.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci\u003ePrecise Engineering:\u003c\/i\u003e Ensures levers move freely yet stably.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOn the circuit, the SKU 4648-4 delivers consistent power delivery, helping juniors master starts and maintain speed through turns. It streamlines trackside organization by simplifying spring swaps, keeping sessions productive.\u003c\/p\u003e\u003cp\u003eFor parents and coaches, this support means fewer mechanical issues, allowing focus on skill development. It fits seamlessly into Horstman Greased Lightning Jr. setups, enhancing overall driveline harmony.\u003c\/p\u003e\u003cp\u003eDelve into its design: the plate's geometry minimizes leverage loss, boosting efficiency in low-to-mid RPM ranges. This makes it perfect for developmental classes, where building confidence through reliable machinery is crucial. Invest in this for a kart that grows with the driver.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the G\/L Jr. MDC 4-Spring Lever Support compatible with all Horstman clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This specific support is designed for the Horstman Greased Lightning (G\/L) Jr. MDC setups. It is optimized for 4-spring configurations to ensure proper engagement and driveline harmony.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this lever support improve my junior racer's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By anchoring the clutch levers securely, it distributes spring force evenly. This prevents binding and uneven wear, resulting in more consistent power delivery, smoother starts, and better speed maintenance through corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this part require special tools for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While standard karting tools are typically sufficient, we recommend ensuring your clutch assembly is clean and free of debris before installation. This support simplifies spring swaps, making trackside maintenance more efficient.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this with a 6-spring setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this component is specifically engineered for 4-spring compatibility. For 6-spring configurations, please use the appropriate MDC 6-spring support plate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect the lever support for wear?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e We recommend inspecting the support plate during every routine clutch service. Look for signs of uneven wear or deformation to ensure the levers continue to move freely and stably.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/glbjr-g-l-basket-1-disc-glbjr\"\u003eGreased Lightning 1-Disc Basket for Junior Kart Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3051-mdc444-g-l-jr-weight-lever-3051\"\u003eMDC444 G\/L Jr. Weight Lever for Junior Kart Clutch Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4648-mdc-6-spring-weight-lever-support-plate-4648\"\u003eMDC 6-Spring Weight Lever Support Plate for High-Performance Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/glwlp-g-l-weight-lever-pin-glwlp\"\u003eGreased Lightning Weight Lever Pin for Kart Clutch Precision\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4650-black-spring-stock-4650\"\u003eStock Black Spring for Standard Horstman Kart Clutch Setup\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562631819582,"sku":"4648-4","price":99.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-4648-4-g-l-jr-mdc-4-spring-lever-support-4648-4.jpg?v=1763113255"},{"product_id":"glbjr-g-l-basket-1-disc-glbjr","title":"Greased Lightning 1-Disc Basket for Junior Kart Clutches","description":"For junior warriors, the Greased Lightning 1-Disc Basket is a lightweight powerhouse. It cradles a single disc securely, facilitating quick engagement in Horstman Jr. systems.\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Alloy:\u003c\/strong\u003e Reduces rotational mass for nimble response.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci\u003eSingle-Disc Optimized:\u003c\/i\u003e Ensures even pressure distribution.\u003c\/li\u003e\n\u003cli\u003eEasy access for cleaning and inspection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSKU GLBJR promotes organized maintenance, with its design allowing fast disc changes between runs. On track, it delivers punchy acceleration, vital for building skills in tight fields.\u003c\/p\u003e\u003cp\u003eCompatible with Greased Lightning setups, it supports the demands of developmental racing without excess complexity.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this basket compatible with all Horstman clutch systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Greased Lightning 1-Disc Basket is specifically designed for Horstman Jr. systems. It is optimized for single-disc setups to ensure proper pressure distribution and lightweight performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is a lightweight alloy basket important for junior racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Reducing rotational mass is critical in junior classes. A lighter basket allows the engine to rev more freely, providing the punchy acceleration needed to maintain momentum in tight racing fields.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect the clutch basket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e We recommend inspecting the basket during every routine maintenance interval. Because this design allows for quick access, you should check for any signs of wear or debris buildup between race heats to ensure consistent engagement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this with multi-disc setups?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this basket is specifically engineered for single-disc configurations. Using it with a multi-disc setup will not provide the correct pressure or fitment required for safe operation.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/x5-drive-hub-1-disc-x5jrdh\"\u003eX5 Single Disc Jr. Drive Hub - Youth-Focused Horstman Component\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3051-mdc444-g-l-jr-weight-lever-3051\"\u003eMDC444 G\/L Jr. Weight Lever for Junior Kart Clutch Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/glwlp-g-l-weight-lever-pin-glwlp\"\u003eGreased Lightning Weight Lever Pin for Kart Clutch Precision\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4651-horstman-clutch-key-4651\"\u003eHorstman Clutch Key for Secure Kart Driveline Locking\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hcb-clutch-mounting-kit-hcb\"\u003eHorstman Clutch Mounting Kit with Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562638995774,"sku":"GLBJR","price":49.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-glbjr-g-l-basket-1-disc-glbjr.jpg?v=1763113409"},{"product_id":"nor-am-3-tab-cheetah-greased-lightning-friction-disc-nac249","title":"Nor-Am 3-Tab Friction Disc for Cheetah and Greased Lightning Clutches","description":"\u003cstrong\u003eGrip like never before\u003c\/strong\u003e with the Nor-Am 3-Tab Friction Disc, tailored for Cheetah and Greased Lightning clutches. Its three-tab setup maximizes contact area for immediate response.\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Friction Material:\u003c\/b\u003e Delivers aggressive bite without glazing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Tab Design:\u003c\/strong\u003e Enhances stability in rotational forces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eUniversal Compatibility:\u003c\/em\u003e Fits various Horstman baskets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe SKU NAC249 shines in dynamic racing, providing the traction needed for explosive launches. It keeps your kit organized with easy stacking for spares.\u003c\/p\u003e\u003cp\u003eRacers value its heat tolerance, maintaining performance through grueling sessions. Ideal for tuning clutch curves in competitive play.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my friction disc needs to be replaced?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your friction disc for signs of glazing, thinning, or uneven wear. If you notice a loss of \"bite\" or inconsistent engagement during launches, it is likely time to replace the disc to maintain optimal performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this disc compatible with all Nor-Am clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This specific 3-tab friction disc is designed for Cheetah and Greased Lightning clutches and is compatible with various Horstman baskets. Always verify your specific clutch model before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I stack these discs for better performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NAC249 is designed for easy stacking, which is a common practice for racers tuning their clutch curves. Ensure your clutch basket has the necessary clearance and that you are following your specific racing class regulations regarding clutch modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of the 3-tab design over other styles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 3-tab design maximizes the contact area within the clutch basket, providing a more immediate response and better stability under high rotational forces compared to discs with fewer contact points.\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\/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\/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":52562642796862,"sku":"NAC249","price":21.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-nor-am-3-tab-cheetah-greased-lightning-friction-disc-nac249.jpg?v=1763113495"},{"product_id":"glwlp-g-l-weight-lever-pin-glwlp","title":"Greased Lightning Weight Lever Pin for Kart Clutch Precision","description":"\u003cp\u003eThe devil's in the details, like the Greased Lightning Weight Lever Pin that keeps levers pivoting true. It secures against slippage for precise control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Steel:\u003c\/strong\u003e Withstands repeated cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci\u003eExact Sizing:\u003c\/i\u003e Fits without looseness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSKU GLWLP aids quick assemblies, maintaining an organized toolbox. Essential for consistent clutch behavior that translates to speed gains.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is it important to replace worn weight lever pins?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Over time, pins can develop grooves or flat spots from repeated cycling. Replacing them ensures the weight levers pivot smoothly, preventing inconsistent clutch engagement and potential slippage during high-RPM racing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my Greased Lightning weight lever pins need replacing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Inspect the pins during your routine clutch maintenance. If you notice any scoring, bending, or excessive play within the lever hole, they should be replaced to maintain precise clutch timing and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pin require any special lubrication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the pin is made of hardened steel for durability, it is best practice to apply a light, high-temperature clutch lubricant to the pivot point during assembly to ensure free movement and reduce friction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these pins compatible with all Horstman clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These pins are specifically designed for the Greased Lightning (G\/L) series. Always verify your specific clutch model and lever support type to ensure exact fitment.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4648-g-l-lever-support-glls\"\u003eHorstman Greased Lightning Lever Support - Rigid Clutch Reinforcement - Open Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcwl-reaper-weight-lever-rcwl\"\u003eReaper Weight Lever - Tunable Horstman Clutch Element\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3051-mdc444-g-l-jr-weight-lever-3051\"\u003eMDC444 G\/L Jr. Weight Lever for Junior Kart Clutch Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcls-reaper-lever-support-rcls\"\u003eReaper Lever Support - Robust Horstman Clutch Reinforcement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4648-4-g-l-jr-mdc-4-spring-lever-support-4648-4\"\u003eG\/L Jr. MDC 4-Spring Lever Support for Advanced Kart Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562657575230,"sku":"GLWLP","price":2.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-glwlp-g-l-weight-lever-pin-glwlp.jpg?v=1763113795"},{"product_id":"4648-g-l-lever-support-glls","title":"Horstman Greased Lightning Lever Support - Rigid Clutch Reinforcement - Open Class","description":"\u003cp\u003eWhen sourcing precision driveline components from a top-tier go karts supply, racers demand zero flex in their clutch engagement. The Horstman Greased Lightning Lever Support eliminates the parasitic deflection that plagues high-RPM shifts. By bolstering the lever assembly, this rigid support ensures that your clutch engages with absolute predictability, whether you are tearing up the asphalt in full-size sprint chassis or tuning high-output mini go karts.\u003c\/p\u003e\u003ch2\u003eEliminate Deflection for Consistent Lap Times\u003c\/h2\u003e\u003cp\u003eDon't let a flexing lever rob your horsepower at the apex. Just as you meticulously check your engine gaskets and dial in your parts tire pressures before a main event, securing your Horstman clutch with this lever support is non-negotiable for consistent track performance. It integrates seamlessly into your existing setup without adding unnecessary rotational mass. When centrifugal forces peak, an unsupported lever can warp, causing erratic slip and lost acceleration. This component locks the geometry in place, ensuring that every ounce of torque is transferred directly to the rear axle.\u003c\/p\u003e\u003ch2\u003ePrecision Driveline Tuning \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eMaintaining a competitive edge requires equipment that won't degrade under pressure. The Greased Lightning Lever Support drastically reduces the need for frequent pit-lane clutch adjustments. Instead of constantly tweaking spring tensions to compensate for lever warp, mechanics can rely on a stabilized assembly that holds its tune heat after heat. This reliability allows your team to focus on broader race strategies rather than chasing phantom driveline issues. For the ultimate cockpit and driveline synergy, pair this clutch reinforcement with a go kart steering wheel upgrade to achieve unmatched tactile feedback and total vehicle control on the track.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Flex Architecture:\u003c\/strong\u003e Prevents lever deflection under extreme centrifugal loads and high-RPM engagement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorstman Precision Fit:\u003c\/strong\u003e Engineered specifically for the exact tolerances of the Greased Lightning clutch assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Rotational Mass:\u003c\/strong\u003e Adds critical structural strength without bogging down your crank speed or acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePredictable Engagement:\u003c\/strong\u003e Translates raw engine power into immediate, consistent track speed out of every corner.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Bolt-On Installation:\u003c\/strong\u003e Mounts directly to your clutch system without requiring custom fabrication or modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-G Durability:\u003c\/strong\u003e Withstands the intense vibrations, heat cycles, and lateral forces of competitive sprint racing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary purpose of the Horstman Greased Lightning Lever Support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This component is designed to eliminate lever deflection under high-RPM centrifugal loads. By providing a rigid support, it ensures your clutch engages consistently, preventing power loss and erratic slipping during acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this lever support difficult to install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, it features a rapid bolt-on design. It is engineered to mount directly to your existing Greased Lightning clutch assembly without the need for custom fabrication or modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this add significant weight to my clutch assembly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The support is designed with optimized rotational mass. It provides critical structural reinforcement to the lever assembly without adding unnecessary weight that would otherwise bog down your crank speed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this support improve my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By locking the geometry of the lever in place, it ensures that every ounce of engine torque is transferred directly to the rear axle. This leads to more predictable engagement and more consistent lap times, especially when exiting corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this part require frequent maintenance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Actually, it helps reduce maintenance. By stabilizing the assembly, it minimizes the need for constant pit-lane adjustments to spring tensions that are often required to compensate for lever warp.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcls-reaper-lever-support-rcls\"\u003eReaper Lever Support - Robust Horstman Clutch Reinforcement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4648-4-g-l-jr-mdc-4-spring-lever-support-4648-4\"\u003eG\/L Jr. MDC 4-Spring Lever Support for Advanced Kart Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4648-mdc-6-spring-weight-lever-support-plate-4648\"\u003eMDC 6-Spring Weight Lever Support Plate for High-Performance Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcpp-reaper-pressure-plate-rcpp\"\u003eReaper Pressure Plate - Dynamic Horstman Clutch Controller\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcsp-reaper-clutch-spacer-rcsp\"\u003eReaper Clutch Spacer for Precise Horstman Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562657640766,"sku":"GLLS","price":39.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-4648-g-l-lever-support-glls.jpg?v=1763113797"},{"product_id":"4642-floater-plate-085-4642","title":"Horstman Floater Plate 085 for Balanced Kart Clutch Action","description":"Balance is key in clutch design, and the Horstman Floater Plate 085 delivers it flawlessly. At 0.085 inches thick, it spaces components ideally, ensuring even distribution of force across your kart's drivetrain.\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Thickness:\u003c\/strong\u003e Prevents uneven engagement that causes hotspots.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci\u003eMaterial Durability:\u003c\/i\u003e Withstands compression without deforming.\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Horstman configurations for versatility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInstalling the SKU 4642 results in smoother operation, reducing judder during starts and extending part life. For racers, this means more time pushing limits and less on adjustments, keeping your setup organized and race-focused.\u003c\/p\u003e\u003cp\u003eIn junior classes or pro circuits, it helps fine-tune clutch feel, aiding precise control on varied surfaces. Its slim profile doesn't add unnecessary weight, preserving your kart's agility.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the thickness of the floater plate important for my Horstman clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 0.085\" thickness is critical for maintaining the correct air gap and spacing within your clutch assembly. Using the proper thickness ensures even force distribution, which prevents uneven engagement and reduces the risk of creating hotspots on your clutch discs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 085 floater plate improve my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By ensuring precise spacing, this plate promotes smoother clutch operation. This reduces judder during starts, provides more consistent power transfer, and helps extend the overall lifespan of your clutch components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I replace my clutch floater plate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your floater plate for signs of warping, heat discoloration, or scoring. If the plate no longer sits perfectly flat or shows signs of deformation, it should be replaced to maintain optimal clutch engagement and prevent damage to other drivetrain parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this plate compatible with all Horstman clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This 085 floater plate is designed for specific Horstman configurations. Always verify your current clutch setup and manual to ensure that the 0.085\" thickness matches your required clearance specifications.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcfp105-reaper-floater-plate-105-rcfp105\"\u003eHorstman Reaper .105\" Floater Plate - Precision Clutch Enhancer - 4-Cycle\/KT100\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcfp075-reaper-floater-plate-075-rcfp075\"\u003eHorstman Reaper Floater Plate - 0.075\" Thickness - Sprint Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/x5-075-floater-plate-x5fp075\"\u003eX5 075 Floater Plate for Efficient Horstman Clutch Flow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcpp-reaper-pressure-plate-rcpp\"\u003eReaper Pressure Plate - Dynamic Horstman Clutch Controller\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcsp-reaper-clutch-spacer-rcsp\"\u003eReaper Clutch Spacer for Precise Horstman Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562661114174,"sku":"4642","price":34.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-4642-floater-plate-085-4642.jpg?v=1763113891"},{"product_id":"4635-14t-up-bearing-4635","title":"Horstman 14T Driver\/Drum Up Bearing for Smooth Kart Operation","description":"\u003cp\u003eFriction is the enemy of speed, but the Horstman 14T Up Bearing changes that equation. Tailored for 14-tooth driver drums, this bearing ensures fluid rotation, minimizing drag that robs your kart of precious horsepower.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eLow-Friction Design:\u003c\/b\u003e High-quality materials spin effortlessly under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Fit:\u003c\/strong\u003e Aligns perfectly with Horstman Greased Lightning components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eHeat Dissipation:\u003c\/em\u003e Keeps temperatures down for sustained performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn practice, installing the SKU 4635 leads to noticeably quieter operation and quicker rev-matching, aiding acceleration out of turns. For organized pit crews, it's a simple swap that boosts overall driveline efficiency without complex tools.\u003c\/p\u003e\u003cp\u003eRacers in junior and senior classes benefit from its durability, which extends intervals between overhauls. Pair it with fresh lubricants for peak results, turning potential weak points into strengths on the circuit.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this bearing compatible with all Horstman clutch drums?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This specific bearing is precision-engineered for 14-tooth driver drums. Please verify your drum tooth count before installation to ensure a proper fit and optimal performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch bearing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To maintain peak driveline efficiency and prevent drag, we recommend inspecting your bearing during every major engine overhaul. If you notice increased noise or resistance during rotation, it is time for a replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install the 4635 bearing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this bearing is designed for a straightforward swap. It is intended to align perfectly with Horstman Greased Lightning components, allowing for quick maintenance in the pits without the need for complex specialized tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I lubricate this bearing before use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. For the best results and to maximize the lifespan of the component, we recommend pairing this bearing with fresh, high-quality lubricants during installation.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcdh-reaper-drive-hub-rcdh\"\u003eReaper Drive Hub - High-Performance Horstman Clutch Core\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4638-splined-drive-hub-4638\"\u003eHorstman Splined Drive Hub for Seamless Kart Power Connection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4413-4416-drum-specify-tooth-13-16-4412-4416\"\u003eHorstman MDC Clutch Drum with 13T-16T Tooth Options for Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcsp-reaper-clutch-spacer-rcsp\"\u003eReaper Clutch Spacer for Precise Horstman Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4651-horstman-clutch-key-4651\"\u003eHorstman Clutch Key for Secure Kart Driveline Locking\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562680545598,"sku":"4635","price":18.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-4635-14t-up-bearing-4635.jpg?v=1763114241"},{"product_id":"hcb-clutch-mounting-kit-hcb","title":"Horstman Clutch Mounting Kit with Hardware","description":"\u003cp\u003eAssemble with confidence using the Horstman Clutch Mounting Kit, complete with one 5\/16-24x1.0\" hex head cap screw, split lock washer, and 1.0\" OD steel washer for rock-solid attachment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents loosening from engine vibes.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty materials for long-term hold.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis kit secures clutches in Bully 3\/4\" and Greased Lightning models, reducing flex for better power transfer and speed. Ideal for quick installs at the track. SKU: HCB keeps your setup organized and race-ready.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is included in the Horstman Clutch Mounting Kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This kit includes one 5\/16-24x1.0\" hex head cap screw, a split lock washer, and a 1.0\" OD steel washer, providing all the necessary hardware for a secure clutch installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which clutch models is this mounting kit compatible with?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This kit is specifically designed to secure clutches in Bully 3\/4\" and Greased Lightning models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is it important to use a dedicated mounting kit for my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Using the correct hardware prevents the clutch from loosening due to engine vibrations. A secure fit reduces clutch flex, which ensures better power transfer and improved acceleration on the track.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit suitable for quick trackside repairs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit is designed for quick and easy installation, making it an essential item to keep in your toolbox for race-ready maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcbk-reaper-bolt-kit-rcbk\"\u003eReaper Bolt Kit for Horstman Clutch Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4656-outboard-mounting-kit-4656\"\u003eHorstman 4656 Outboard Mounting Kit - Vibration Dampening - Open Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3129-backplate-hub-screw-3129\"\u003eHorstman Clutch Backplate Hub Screw for Secure Kart Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rcsp-reaper-clutch-spacer-rcsp\"\u003eReaper Clutch Spacer for Precise Horstman Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rccw-reaper-crank-washer-rccw\"\u003eReaper Crank Washer for Optimal Horstman Clutch Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"Default Title","offer_id":52562684150078,"sku":"HCB","price":3.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/bully34clutch-hcb-clutch-mounting-kit-hcb.jpg?v=1763114288"},{"product_id":"g-l-aftermarket-driver-35-specify-size-gld-w","title":"G\/L Aftermarket Driver #35 for Horstman Greased Lightning Clutch - Specify Size","description":"\u003cp\u003eEnhance your kart's performance with the G\/L Aftermarket Driver #35 20T, a premium replacement part engineered for the Horstman Greased Lightning clutch basket. Designed exclusively for #35 chain systems, this 20T variant ensures seamless integration and optimal power delivery in high-speed racing conditions.\u003c\/p\u003e\u003cp\u003eCrafted from durable materials, the G\/L Aftermarket Driver #35 20T withstands the rigors of competitive karting, minimizing slippage and maximizing clutch engagement. The 20-tooth configuration is perfect for setups requiring balanced acceleration and top speed, ideal for tracks with varied layouts. Its precise fit reduces vibration and noise, contributing to a smoother ride and longer component life.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Horstman Greased Lightning clutch baskets\u003c\/li\u003e\n\u003cli\u003eBuilt for #35 chain applications with 20T sizing\u003c\/li\u003e\n\u003cli\u003e20-tooth design for versatile gearing options\u003c\/li\u003e\n\u003cli\u003eEasy installation for quick maintenance and upgrades\u003c\/li\u003e\n\u003cli\u003eIdeal for professional and amateur kart racers alike\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSelecting the #35 20T size is crucial for achieving your desired gear ratio and speed. This aftermarket driver offers versatility, allowing you to fine-tune your setup based on track conditions and racing style. Invest in quality parts that deliver consistent results every lap.\u003c\/p\u003e\u003cp\u003eTrust in the engineering excellence of G\/L components to elevate your kart's driveline performance. Perfect for enthusiasts looking to optimize their Horstman clutch system without breaking the bank.\u003c\/p\u003e","brand":"Horstman","offers":[{"title":"#35 20T","offer_id":52568993694014,"sku":"GLD**W#35 20T","price":14.67,"currency_code":"USD","in_stock":true},{"title":"#35 23T","offer_id":53239555293502,"sku":"GLD**W#35 23T","price":14.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-g-l-aftermarket-driver-35-specify-size-gld-w_dc053a02-809a-4329-9b08-642770f37afb.jpg?v=1763125213"},{"product_id":"g-l-driver-219-specify-size-gld219","title":"Horstman Greased Lightning #219 Driver Gear - 17T - Sprint \u0026 Endurance Racing","description":"\u003cp\u003eDirecting maximum torque to the rear axle requires the highest quality racing go kart parts, and the Horstman Greased Lightning #219 Driver Gear in a 17T configuration eliminates parasitic drag at the clutch hub. Engineered for high-stress competitive environments, this 17-tooth driver gear integrates seamlessly with #219 chain systems. When you are tuning your clutch engagement to handle the exact briggs and stratton lo206 horsepower output, reducing friction is critical. The Greased Lightning technology utilizes specialized lubrication pathways and precision-machined tooth profiles to ensure every ounce of engine power transfers directly to the track. Whether you are navigating tight sprint circuits or managing tire wear in endurance races, this driver gear provides the responsive acceleration needed to pull away out of the apex.\u003c\/p\u003e\u003ch2\u003ePrecision Torque Parts for Maximum Acceleration\u003c\/h2\u003e\u003cp\u003eA kart's driveline is only as strong as its weakest link. By upgrading to Horstman's Greased Lightning series, you are investing in elite torque parts designed to withstand extreme RPMs and thermal loads. The 17T configuration specifically optimizes the gear ratio for tracks demanding rapid corner-exit speeds. Unlike standard stamped sprockets, this driver gear is machined from hardened steel, preventing premature tooth wear and chain stretch. While you are in the pits topping off your fuel jugs or adjusting your tire pressures, you can trust that your clutch assembly is fully prepped for the next heat.\u003c\/p\u003e\u003ch2\u003eBuilt for the Demands of Competitive Karting\u003c\/h2\u003e\u003cp\u003eProfessional racers know that consistent lap times come from reliable components. From the moment you strap on your top helmets and hit the grid, the Horstman 17T driver ensures your clutch engages smoothly without aggressive chatter. The slip-fit installation over the crankshaft allows for rapid gear changes and maintenance, meaning less time wrenching and more time dialing in your chassis setup. Pair this driver with a high-quality #219 chain and a properly aligned rear sprocket to experience a frictionless driveline that translates directly to lower lap times.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e17-Tooth #219 Configuration:\u003c\/strong\u003e Optimized for rapid acceleration and tight track layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreased Lightning Technology:\u003c\/strong\u003e Advanced friction reduction for maximum power transfer to the wheels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Steel Construction:\u003c\/strong\u003e Resists tooth wear and deformation under extreme racing loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Clutch Integration:\u003c\/strong\u003e Designed specifically for Horstman Greased Lightning clutch assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Engagement:\u003c\/strong\u003e Eliminates driveline chatter for smoother corner exits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Pit Maintenance:\u003c\/strong\u003e Slip-fit design allows for quick gear swaps between heats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChampionship Reliability:\u003c\/strong\u003e Trusted by professional karters for endurance and sprint applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Horstman","offers":[{"title":"#219 17T","offer_id":52568993759550,"sku":"GLD219**#219 17T","price":27.7,"currency_code":"USD","in_stock":true},{"title":"#219 19T","offer_id":53239553818942,"sku":"GLD219**#219 19T","price":27.7,"currency_code":"USD","in_stock":true},{"title":"#219 21T","offer_id":53239553950014,"sku":"GLD219**#219 21T","price":27.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/greasedlightning-g-l-driver-219-specify-size-gld219.jpg?v=1763125214"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/bully34clutch-hcb-clutch-mounting-kit-hcb_91e1865f-e148-4ce9-bedf-2a932208a40a.jpg?v=1788979366","url":"https:\/\/swiftkarting.com\/collections\/horstman-greased-lightning-kart-clutch-drivers-parts.oembed","provider":"Swift Karting","version":"1.0","type":"link"}