{"title":"Nor-Am Ultimate Clutch","description":"\u003cp\u003eThe Nor-Am Ultimate Clutch is a centrifugal clutch assembly for kart drivetrains, offered here with light shoes and green springs and a #35 sprocket you specify by tooth count (12T through 17T). Engagement is spring-and-shoe based so the clutch stays disengaged at idle and drives the chain as engine speed rises.\u003c\/p\u003e","products":[{"product_id":"sctb-stinger-thrust-bearing-fcdc-itb","title":"7\/8-Inch Stinger Inner Thrust Bearing for Smooth Rotation","description":"\u003cul\u003e\n\u003cli\u003eTorrington design for superior load handling.\u003c\/li\u003e\n\u003cli\u003e7\/8\" inner diameter suits standard snouts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSmooth is fast— this thrust bearing counters end-play, promoting fluid hub movement in Stinger assemblies.\u003c\/p\u003e\u003cp\u003eBy minimizing resistance, it lets power focus on propulsion, not overcoming inertia. Versatile fit extends to other 7\/8\" systems.\u003c\/p\u003e\u003cp\u003eUpgrade for longevity and that extra edge in tight races.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is a thrust bearing important for my kart clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A thrust bearing is critical for managing axial loads. By minimizing friction and end-play, it ensures your clutch hub rotates smoothly, allowing your engine's power to be transferred efficiently to the track rather than being lost to internal resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this 7\/8-inch bearing fit my non-Stinger clutch system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this bearing is designed with a standard 7\/8-inch inner diameter, making it a versatile upgrade for many karting clutch systems that utilize a 7\/8-inch snout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when to replace my clutch thrust bearing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your bearing during routine clutch maintenance. If you notice excessive end-play, rough rotation, or visible wear on the bearing surfaces, it is time to replace it to maintain peak performance and prevent damage to your clutch hub.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I use a thrust washer with this bearing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, for optimal performance and to prevent the bearing from digging into your clutch components, we recommend pairing this thrust bearing with a compatible thrust washer to ensure precise spacing and smooth operation.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scdh-stinger-drive-hub-scdh\"\u003eDurable Stinger Drive Hub for Robust Kart Power Transmission\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sch-stinger-clutch-hub-sch\"\u003eTriangle-Shaped Stinger Clutch Hub for Stable Shoe Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sctw-stinger-thrust-washer-fcdc-itw\"\u003ePolished 7\/8-Inch Stinger Thrust Washer for Precise Spacing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ap144-stinger-clutch-mounting-kit-ap144\"\u003eOEM Stinger Clutch Mounting Kit with Chamfered Spacer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sccs-stinger-clutch-stepped-crank-spacer-sccs\"\u003ePrecision Stinger Clutch Stepped Crank Spacer for Optimal Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stinger","offers":[{"title":"Default Title","offer_id":52562608161086,"sku":"FCDC-ITB","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/stinger-sctb-stinger-thrust-bearing-fcdc-itb.jpg?v=1763112724"},{"product_id":"ultimate-drive-hub-nau061","title":"Noram GE Ultimate Clutch Drive Hub - 3\/4\" Bore - 4-Cycle Racing","description":"When you are pushing your kart to the absolute limit, relying on inferior racing go kart parts will cost you podiums. Power transmission starts at the crankshaft, and the Noram GE Ultimate Clutch Drive Hub (NAU061) is the cornerstone for bulletproof drivetrain reliability. Engineered specifically for 3\/4\" shafts, this heavy-duty steel hub locks in torque without fail, ensuring every ounce of engine power translates directly to the track. In competitive racing, you need an unflinching grip that allows for full-throttle application without a split-second of hesitation.\n\n\u003ch2\u003ePrecision Engineering for Comet Parts \u0026amp; Drivetrain Synergy\u003c\/h2\u003e\n\u003cp\u003eTo maintain a competitive edge, your entire setup—from the engine down to the accessories wheel—must work in perfect harmony. The Noram GE Ultimate hub prevents catastrophic slippage during aggressive shifts and high-RPM engagements. Whether you are running standard sprockets or integrating specialized comet parts, this hub guarantees zero play. Its superior keyway design handles the extreme stress of high-horsepower 4-cycle engines, reducing maintenance and keeping you out of the pits. When you demand speed gains, this indispensable component delivers by maintaining absolute structural integrity under load.\u003c\/p\u003e\n\n\u003ch2\u003eUnflinching Grip Down to the Last Tire Bolt\u003c\/h2\u003e\n\u003cp\u003eDurability is non-negotiable in junior and senior classes alike. A single loose tire bolt or a slipping clutch hub can end your weekend early. By upgrading to the NAU061, you secure a direct, unflinching link from your engine to the asphalt. This hub is adaptable to various chassis configurations and supports small pattern sprockets, making it an indispensable asset for serious speed gains. Built to endure the brutal heat and vibration of competitive racing, it delivers full-throttle confidence without hesitation.\u003c\/p\u003e\n\u003cp\u003eStop losing power through drivetrain flex. Build a faster, more reliable machine with a drive hub designed for champions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Machined specifically for high-horsepower 4-cycle racing setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Play Keyway:\u003c\/strong\u003e Eliminates hub slippage during aggressive, high-RPM shifts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/4\" Shaft Compatibility:\u003c\/strong\u003e Precision-engineered bolt-on fitment for standard racing engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Alignment:\u003c\/strong\u003e Improves overall drivetrain synergy from the clutch to the rear axle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSprocket Versatility:\u003c\/strong\u003e Fully supports small pattern sprockets for varied track layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Endurance:\u003c\/strong\u003e Resists warping and wear under extreme racing stress and heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentic Noram Quality:\u003c\/strong\u003e Official NAU061 replacement part for GE Ultimate clutches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the Noram GE Ultimate Clutch Drive Hub compatible with all 4-cycle racing engines?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This hub is specifically engineered for 3\/4\" crankshaft shafts. It is designed for high-horsepower 4-cycle racing setups, but please verify your engine's crankshaft diameter before installation to ensure a proper fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the zero-play keyway design improve my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The zero-play keyway eliminates the \"slop\" or movement between the hub and the crankshaft. By ensuring a rock-solid connection, it prevents slippage during aggressive, high-RPM engagements, allowing for more efficient power transfer from the engine to the rear axle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this hub require special maintenance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the hub is built for extreme durability, we recommend inspecting the keyway and mounting bolts periodically, especially after high-stress race weekends. Ensure the hub is properly seated and the key is fully engaged to maintain structural integrity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this hub with different sprocket sizes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the NAU061 is designed for versatility and supports small pattern sprockets, allowing you to adjust your gearing to suit different track layouts and racing conditions.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultimate-heavy-shoe-sold-each-nau230\"\u003eNoram GE Ultimate Heavy Lined Shoe - Max Torque Transfer - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultimate-light-shoe-sold-each-nau229\"\u003eNoram Ultimate Lightweight Lined Shoe - 3\/4\" Bore - NAU229\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nor-am-clutch-13-thru-21-tooth-heavy-shoes-specify-drum-size-narc-h\"\u003eNoram GE Series Heavy Shoe Clutch - 13T \/ #35 Chain - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nor-am-clutch-13-thru-21-tooth-lite-shoes-specify-drum-size-narc-l\"\u003eNoram GE Series Lite Shoe Clutch - 13T #35 Chain - 4-Cycle Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/nas-2900-3600rpm-purple-spring-nasp\"\u003eNoram GE \u0026amp; Arena Purple Clutch Spring - 2900-3600 RPM - Pro Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noram","offers":[{"title":"Default Title","offer_id":52562650857790,"sku":"NAU061","price":89.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amultimateclutch-ultimate-drive-hub-nau061.jpg?v=1763113645"},{"product_id":"ultimate-drum-only-nau698","title":"Replacement Ultimate Drum for Small Pattern Sprockets","description":"\u003cstrong\u003eDrum replacement made simple\u003c\/strong\u003e—the NAU698 keeps your Ultimate clutch spinning true.\u003cp\u003eFocuses on small pattern compatibility for flexible setups.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement for worn drums.\u003c\/li\u003e\n\u003cli\u003eAccommodates various sprocket sizes.\u003c\/li\u003e\n\u003cli\u003eLightweight yet tough for race demands.\u003c\/li\u003e\n\u003cli\u003eEnhances clutch modulation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt restores factory engagement, cutting slip for better acceleration. Vital for maintaining chain tension. In Nor-Am systems, it shines in rebuilds.\u003c\/p\u003e\u003cp\u003eUsers note improved heat tolerance. Quick install saves pit time. SKU: NAU698 for quality.\u003c\/p\u003e\u003cp\u003eRevive your kart's drive and race stronger.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this drum compatible with all Nor-Am clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This is a replacement drum specifically designed for the Ultimate clutch series using small pattern sprockets. Please verify your current clutch model and sprocket pattern before installation to ensure a proper fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when it is time to replace my clutch drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your drum for signs of excessive heat discoloration, grooving from the clutch shoes, or thinning of the drum wall. If you notice increased clutch slip or difficulty maintaining consistent chain tension, it is likely time for a replacement to restore factory engagement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this drum come with a needle bearing or bushing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This product is the drum only (NAU698). We recommend inspecting your existing needle bearing or bushing during the swap and replacing them if they show signs of wear to ensure the new drum spins freely.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this drum for different sprocket sizes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this drum is designed to accommodate various small pattern sprocket sizes, making it a flexible choice for racers who need to adjust their gearing for different track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the benefits of replacing a worn drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Replacing a worn drum restores proper clutch modulation and engagement. This reduces power-robbing slip, improves acceleration out of corners, and helps maintain optimal chain tension, which is vital for overall drivetrain efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultimate-clutch-heavy-shoes-purple-springs-specify-sprocket-nauch\"\u003eultimate-clutch-heavy-shoes-purple-springs-specify-sprocket-nauch\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultimate-clutch-light-shoes-green-springs-specify-sprocket-nauc\"\u003eultimate-clutch-light-shoes-green-springs-specify-sprocket-nauc\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\/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\u003c\/ul\u003e","brand":"Nor-Am","offers":[{"title":"Default Title","offer_id":52562651709758,"sku":"NAU698","price":60.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amultimateclutch-ultimate-drum-only-nau698.jpg?v=1763113665"},{"product_id":"ultimate-light-shoe-sold-each-nau229","title":"Noram Ultimate Lightweight Lined Shoe - 3\/4\" Bore - NAU229","description":"Shaving rotational mass is the fastest way to improve throttle response on any go kart, and the Noram Ultimate Lightweight Lined Shoe (NAU229) delivers exactly that. Designed specifically for the Noram Ultimate 3\/4\" bore clutch, this lightweight shoe reduces inertia, allowing your engine to spool up faster out of tight corners. When races are won by fractions of a second, optimizing your clutch engagement is just as critical as pairing your chassis with good tire brands or dialing in your fuel mixture with a precision lo206 carburetor kit.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eMaximizing Your Go Kart Engine Performance\u003c\/h2\u003e\u003cbr\u003eThe NAU229 shoe features a premium friction lining engineered for aggressive, high-heat racing environments. Unlike standard unlined shoes that can slip under heavy loads, this lined variant provides a rapid, positive hook-up. This translates to immediate power transfer from your go kart engine to the rear axle, eliminating the sluggish acceleration that plagues heavier clutch setups. Whether you are rebuilding your entire driveline or just doing routine maintenance alongside installing a new carb kit, upgrading to lightweight shoes is a proven competitive advantage.\u003cbr\u003e\u003cbr\u003eEvery professional racer knows that the connection between the powerplant and the track surface is where races are decided. By utilizing the Noram NAU229 lightweight shoes, you are effectively lowering the moment of inertia. This means your engine spends less energy spinning the clutch and more energy propelling the kart forward. When you are fighting for the holeshot or trying to out-brake a competitor into a hairpin, that instant throttle response is your ultimate weapon. Don't let a heavy, slipping clutch rob you of horsepower. Pair these shoes with a meticulously maintained driveline and dominate the podium.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eTechnical Specifications \u0026amp; Racing Advantages\u003c\/h2\u003e\u003cbr\u003eTuning your Noram Ultimate clutch requires precision. Remember that these shoes are sold individually, and two are required for a complete clutch assembly. Balancing the clutch with these lightweight components ensures smoother engagement and less parasitic drag on the crankshaft.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Rotational Mass:\u003c\/strong\u003e Lightweight profile allows for faster engine revs and quicker corner exits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Friction Lining:\u003c\/strong\u003e Delivers superior grip and consistent engagement temperatures during long heats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fitment:\u003c\/strong\u003e Engineered specifically for Noram Ultimate 3\/4\" bore racing clutches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Transfer:\u003c\/strong\u003e Eliminates low-speed slip for a more responsive throttle feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Heat Durability:\u003c\/strong\u003e Resists glazing and wear even under extreme racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Balancing:\u003c\/strong\u003e Manufactured to exact tolerances for vibration-free operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold Individually:\u003c\/strong\u003e Allows for custom clutch tuning (Note: 2 required per clutch).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many shoes do I need to replace for my Noram Ultimate clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Noram Ultimate Lightweight Lined Shoe is sold individually, but you must replace them in pairs to maintain proper clutch balance. Ensure you purchase two shoes for a complete assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose the lightweight shoe over the heavy version?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Lightweight shoes reduce rotational mass, which allows your engine to rev up faster and improves throttle response out of tight corners. They are ideal for racers looking to maximize acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these shoes compatible with all Noram clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, these are specifically engineered for the Noram Ultimate 3\/4\" bore clutch. Always verify your clutch model before purchasing to ensure proper fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when it is time to replace my clutch shoes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your shoes for excessive wear, glazing, or thinning of the friction material. If you notice inconsistent engagement or slipping under load, it is likely time to install a fresh set.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to perform any special break-in for these lined shoes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While these shoes provide a positive hook-up, it is good practice to allow for a short heat cycle to ensure the friction lining seats properly against the drum for consistent performance.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultimate-heavy-shoe-sold-each-nau230\"\u003eNoram GE Ultimate Heavy Lined Shoe - Max Torque Transfer - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultimate-drive-hub-nau061\"\u003eNoram GE Ultimate Clutch Drive Hub - 3\/4\" Bore - 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\u003cli\u003e\u003ca href=\"\/products\/nas-2040-2500rpm-red-spring-nasr\"\u003eNoram GE Series Red Clutch Spring - 2040-2500 RPM - Modified \u0026amp; Open Class\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noram","offers":[{"title":"Default Title","offer_id":52562693488958,"sku":"NAU229","price":39.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amultimateclutch-ultimate-light-shoe-sold-each-nau229.jpg?v=1763114403"},{"product_id":"ultimate-heavy-shoe-sold-each-nau230","title":"Noram GE Ultimate Heavy Lined Shoe - Max Torque Transfer - 4-Cycle Racing","description":"\u003cp\u003eWhen you're dialing in your drivetrain with top-tier \u003cstrong\u003eperformance parts\u003c\/strong\u003e, the Noram GE Ultimate Heavy Lined Shoe (NAU230) is the critical link between engine output and sheer acceleration. Maximizing your \u003cstrong\u003ebriggs and stratton lo206 horsepower\u003c\/strong\u003e requires a clutch setup that won't fade under heavy loads or high-heat endurance races. This heavy-duty lined shoe is engineered specifically for the Noram GE Ultimate clutch, providing the aggressive bite and mid-range pull needed to dominate the grid.\u003c\/p\u003e\u003ch2\u003eTransfer Power Better Than Standard Kart Wheels\u003c\/h2\u003e\u003cp\u003eYou can bolt on the stickiest \u003cstrong\u003ekart wheels\u003c\/strong\u003e and tune your \u003cstrong\u003ewalbro carburetor\u003c\/strong\u003e to perfection, but if your clutch shoes are slipping off the line, that power never reaches the track. The NAU230 heavy shoe is designed for high-load scenarios, utilizing a premium friction lining that ensures durable, consistent contact with the clutch drum. By reducing slip on launches and out of tight corners, this shoe translates raw RPMs into immediate forward momentum. Note that two shoes are required per clutch unit (sold individually).\u003c\/p\u003e\u003ch2\u003eThe Professional Choice for Adult Go Karts For Sale\u003c\/h2\u003e\u003cp\u003eWhether you are building a custom racing chassis or upgrading \u003cstrong\u003eadult go karts for sale\u003c\/strong\u003e for competitive leagues, the Noram GE Ultimate clutch system demands the right internal components. The heavy shoe configuration is preferred for heavier karts and tracks that demand aggressive torque delivery. It resists wear during grueling endurance races and provides a robust, reliable solution for racers who refuse to compromise on drivetrain efficiency.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications \u0026amp; Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Build Architecture:\u003c\/strong\u003e Engineered specifically for high-load racing scenarios and heavier chassis setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Friction Lining:\u003c\/strong\u003e Ensures durable, fade-resistant contact with the clutch drum for consistent launches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Delivery:\u003c\/strong\u003e Drastically reduces clutch slip to maximize acceleration and mid-range pull.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Fitment:\u003c\/strong\u003e Designed exclusively as a direct replacement for the Noram GE Ultimate clutch system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEndurance Ready:\u003c\/strong\u003e Highly resistant to heat and friction wear during extended track sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnout Compatibility:\u003c\/strong\u003e Perfectly suits 7\/8-inch snout models for seamless integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Quantity:\u003c\/strong\u003e Two (2) NAU230 shoes are needed per clutch unit (sold individually).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCommand the track with unyielding grip. Swap out your worn clutch internals with the Noram NAU230 heavy lined shoe and experience the immediate throttle response that wins championships.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many shoes do I need to replace for my Noram GE Ultimate clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The NAU230 heavy shoe is sold individually, but you require two (2) shoes per clutch unit to maintain proper balance and performance. We recommend replacing both shoes at the same time to ensure even wear and consistent engagement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I choose the \"Heavy\" shoe over the \"Light\" shoe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The heavy shoe is designed for high-load scenarios, such as heavier kart chassis or tracks that require aggressive torque delivery out of tight corners. If you are experiencing excessive slip or heat fade during endurance racing, the heavy shoe provides the necessary bite to maximize your acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this shoe compatible with other Noram clutch models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, the NAU230 is engineered specifically for the Noram GE Ultimate clutch system. It is not a universal part and should not be used in other clutch series like the Star or Stinger.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How can I tell if 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, uneven wear, or a significant reduction in the thickness of the friction lining. If you notice your engine RPMs rising without a corresponding increase in forward momentum (slipping), it is likely time to replace your shoes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to perform a break-in period after installing new shoes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is best practice to allow the new friction material to seat properly against the drum. Perform a few light laps to allow the shoes to mate with the drum surface before subjecting them to full-throttle race conditions.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultimate-light-shoe-sold-each-nau229\"\u003eNoram Ultimate Lightweight Lined Shoe - 3\/4\" Bore - NAU229\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultimate-drive-hub-nau061\"\u003eNoram GE Ultimate Clutch Drive Hub - 3\/4\" Bore - 4-Cycle Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/noram-drum-35-13t-nad13\"\u003eNoram GE Series 13T #35 Clutch Drum - Needle Bearing - Unrestricted Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/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\u003cli\u003e\u003ca href=\"\/products\/nas-2040-2500rpm-red-spring-nasr\"\u003eNoram GE Series Red Clutch Spring - 2040-2500 RPM - Modified \u0026amp; Open Class\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noram","offers":[{"title":"Default Title","offer_id":52562703843646,"sku":"NAU230","price":44.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amultimateclutch-ultimate-heavy-shoe-sold-each-nau230.jpg?v=1763114547"},{"product_id":"ultimate-clutch-light-shoes-green-springs-specify-sprocket-nauc","title":"Nor-Am Ultimate Clutch with Light Shoes and Green Springs - Specify Sprocket for Optimal Kart Performance","description":"\u003cp\u003e\u0026lt;p\u0026gt;The \u0026lt;strong\u0026gt;Nor-Am Ultimate Clutch (Light Shoes \/ Green Springs)\u0026lt;\/strong\u0026gt; is a high-performance centrifugal clutch engineered for serious go-kart racers who demand quick engagement, reliability, and tunability.\u0026lt;\/p\u0026gt;\u003c\/p\u003e\n\u003cp\u003e\u0026lt;p\u0026gt;Designed for 3\/4\" jackshafts, this four-disk clutch comes with light shoes and green springs for fast response and smooth power delivery. Its compatibility with small pattern sprockets gives you the flexibility to optimize your gear ratio for different tracks and engine setups.\u0026lt;\/p\u0026gt;\u003c\/p\u003e\n\u003cp\u003e\u0026lt;h2\u0026gt;Choose Your Sprocket Size\u0026lt;\/h2\u0026gt;\u003cbr\u003e\u0026lt;p\u0026gt;When adding to cart, select your preferred sprocket size from the available variants. Different sprocket tooth counts allow you to fine-tune low-end torque and top-end speed to match your racing style and track conditions.\u0026lt;\/p\u0026gt;\u003c\/p\u003e\n\u003cp\u003e\u0026lt;h2\u0026gt;Key Features\u0026lt;\/h2\u0026gt;\u003cbr\u003e\u0026lt;ul\u0026gt;\u003cbr\u003e    \u0026lt;li\u0026gt;Light shoes for rapid engagement and quicker acceleration\u0026lt;\/li\u0026gt;\u003cbr\u003e    \u0026lt;li\u0026gt;Green springs for consistent tension and smooth operation\u0026lt;\/li\u0026gt;\u003cbr\u003e    \u0026lt;li\u0026gt;Four-disk friction system for maximum power transfer with minimal slippage\u0026lt;\/li\u0026gt;\u003cbr\u003e    \u0026lt;li\u0026gt;Precision-machined components for excellent balance and heat dissipation\u0026lt;\/li\u0026gt;\u003cbr\u003e    \u0026lt;li\u0026gt;Compatible with both #35 and #219 chain systems\u0026lt;\/li\u0026gt;\u003cbr\u003e    \u0026lt;li\u0026gt;Billet construction reduces rotational mass while maintaining strength\u0026lt;\/li\u0026gt;\u003cbr\u003e\u0026lt;\/ul\u0026gt;\u003c\/p\u003e\n\u003cp\u003e\u0026lt;p\u0026gt;Ideal for modified Animal engines, open-class 4-cycles, and everything in between, the Nor-Am Ultimate Clutch delivers the performance and durability demanded in both club-level and national racing.\u0026lt;\/p\u0026gt;\u003c\/p\u003e\n\u003cp\u003e\u0026lt;p\u0026gt;Available sprocket options include #35 chain (12T – 19T) and #219 chain (16T – 22T), with select sizes carrying a small upcharge.\u0026lt;\/p\u0026gt;\u003c\/p\u003e\n\u003cp\u003e\u0026lt;p\u0026gt;Upgrade your kart with the Nor-Am Ultimate Clutch and experience the difference that properly tuned power delivery can make on the track.\u0026lt;\/p\u0026gt;\u003c\/p\u003e","brand":"Nor-Am","offers":[{"title":"#35 12T","offer_id":52568995823934,"sku":"NAUC**#35 12T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#219 16T","offer_id":53239512957246,"sku":"NAUC**#219 16T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#219 17T","offer_id":53239512990014,"sku":"NAUC**#219 17T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#219 18T (+$3.00)","offer_id":53239513022782,"sku":"NAUC**#219 18T","price":165.22,"currency_code":"USD","in_stock":true},{"title":"#219 19T (+$3.00)","offer_id":53239513055550,"sku":"NAUC**#219 19T","price":165.22,"currency_code":"USD","in_stock":true},{"title":"#219 20T (+$3.00)","offer_id":53239513088318,"sku":"NAUC**#219 20T","price":165.22,"currency_code":"USD","in_stock":true},{"title":"#219 21T (+$3.00)","offer_id":53239513121086,"sku":"NAUC**#219 21T","price":165.22,"currency_code":"USD","in_stock":true},{"title":"#219 22T (+$3.00)","offer_id":53239513153854,"sku":"NAUC**#219 22T","price":165.22,"currency_code":"USD","in_stock":true},{"title":"#35 13T","offer_id":53239513186622,"sku":"NAUC**#35 13T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 14T","offer_id":53239513252158,"sku":"NAUC**#35 14T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 15T","offer_id":53239513284926,"sku":"NAUC**#35 15T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 16T","offer_id":53239513317694,"sku":"NAUC**#35 16T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 17T","offer_id":53239513350462,"sku":"NAUC**#35 17T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 18T","offer_id":53239513383230,"sku":"NAUC**#35 18T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 19T","offer_id":53239513448766,"sku":"NAUC**#35 19T","price":162.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amultimateclutch-ultimate-clutch-light-shoes-green-springs-specify-sprocket-nauc.jpg?v=1763125228"},{"product_id":"ultimate-clutch-heavy-shoes-purple-springs-specify-sprocket-nauch","title":"Nor-Am Ultimate Clutch with Heavy Shoes and Purple Springs - Specify Sprocket for Optimal Kart Performance","description":"\u003cp\u003eThe Nor-Am Ultimate Clutch with Heavy Shoes and Purple Springs, paired with the #35 12T sprocket, is the pinnacle of drive-line innovation for serious kart racers seeking agile low-end torque. Engineered for unmatched performance, this clutch system delivers precise engagement and reliable power transfer, ensuring your kart responds instantly to every throttle input. Whether you're navigating tight corners or pushing for top speed on straightaways, this configuration excels in setups requiring quick acceleration from lower gears.\u003c\/p\u003e\u003cp\u003eCrafted with heavy shoes for enhanced centrifugal force and purple springs for optimal tension, the Ultimate Clutch provides superior grip and smoother shifts with the #35 12T sprocket. It's designed to minimize slippage and maximize efficiency, helping you shave seconds off your lap times in tracks favoring nimble handling. Compatible with small pattern sprockets like the #35 12T, it offers versatility for various track conditions and engine setups. This clutch is a favorite among karting enthusiasts for its durability and consistent performance under high-stress conditions.\u003c\/p\u003e\u003cp\u003eInstallation is straightforward, making it an ideal upgrade for both novice and professional racers. The heavy shoes contribute to quicker acceleration by increasing the clutch's engagement speed, while the purple springs maintain consistent pressure for reliable operation across a wide RPM range with the #35 12T sprocket. Built from high-quality materials, it resists wear and tear, extending the lifespan of your drive-line components.\u003c\/p\u003e\u003cp\u003eIn the world of kart racing, every component counts, and the Nor-Am Ultimate Clutch with #35 12T exemplifies precision engineering. It's part of the renowned Nor-Am Clutches lineup, trusted by champions for its balance of power and control in low-tooth sprocket applications.\u003c\/p\u003e\u003cp\u003eKey features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy shoes for rapid engagement and powerful acceleration\u003c\/li\u003e\n\u003cli\u003ePurple springs for tuned tension and smooth operation\u003c\/li\u003e\n\u003cli\u003e#35 12T sprocket compatibility for enhanced low-end torque\u003c\/li\u003e\n\u003cli\u003eRobust construction to handle intense racing demands\u003c\/li\u003e\n\u003cli\u003eEnhanced drive-line efficiency for better overall kart handling\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't settle for ordinary when you can dominate with the extraordinary. The Nor-Am Ultimate Clutch with #35 12T is more than a part—it's a competitive edge. Upgrade your setup today and feel the difference in every race.\u003c\/p\u003e\u003cp\u003eFor those fine-tuning their kart, this clutch integrates seamlessly with other drive-line components, clutches, and parts, especially with the #35 12T sprocket for precise gearing. It's specifically tailored for Nor-Am Ultimate Clutch applications, ensuring a perfect fit and optimal synergy. Racers appreciate how it reduces maintenance needs, allowing more time on the track and less in the pit.\u003c\/p\u003e\u003cp\u003eExperience the thrill of flawless power delivery with the #35 12T sprocket. With the Ultimate Clutch, your kart isn't just racing—it's winning. Join the ranks of top performers who rely on Nor-Am for excellence in every turn.\u003c\/p\u003e\u003cp\u003eThis product falls under Drive-line Components \u0026gt; Clutches \u0026amp; Parts \u0026gt; Nor-Am Clutches \u0026gt; Nor-Am Ultimate Clutch, making it easy to find and pair with complementary items in your karting arsenal.\u003c\/p\u003e","brand":"Nor-Am","offers":[{"title":"#35 12T","offer_id":52568996315454,"sku":"NAUCH**#35 12T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 13T","offer_id":53239507026238,"sku":"NAUCH**#35 13T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 14T","offer_id":53239507190078,"sku":"NAUCH**#35 14T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 15T","offer_id":53239507222846,"sku":"NAUCH**#35 15T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 16T","offer_id":53239507255614,"sku":"NAUCH**#35 16T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 17T","offer_id":53239507288382,"sku":"NAUCH**#35 17T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 18T","offer_id":53239507321150,"sku":"NAUCH**#35 18T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 19T","offer_id":53239507386686,"sku":"NAUCH**#35 19T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#35 20T","offer_id":53239507419454,"sku":"NAUCH**#35 20T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#219 16T","offer_id":53239507452222,"sku":"NAUCH**#219 16T","price":162.22,"currency_code":"USD","in_stock":true},{"title":"#219 17T (+$5.00)","offer_id":53239507484990,"sku":"NAUCH**#219 17T","price":167.22,"currency_code":"USD","in_stock":true},{"title":"#219 18T (+$5.00)","offer_id":53239507517758,"sku":"NAUCH**#219 18T","price":167.22,"currency_code":"USD","in_stock":true},{"title":"#219 19T (+$5.00)","offer_id":53239507583294,"sku":"NAUCH**#219 19T","price":167.22,"currency_code":"USD","in_stock":true},{"title":"#219 20T (+$5.00)","offer_id":53239507616062,"sku":"NAUCH**#219 20T","price":167.22,"currency_code":"USD","in_stock":true},{"title":"#219 21T (+$5.00)","offer_id":53239507648830,"sku":"NAUCH**#219 21T","price":167.22,"currency_code":"USD","in_stock":true},{"title":"#219 22T (+$5.00)","offer_id":53239507681598,"sku":"NAUCH**#219 22T","price":167.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/nor-amultimateclutch-ultimate-clutch-heavy-shoes-purple-springs-specify-sprocket-nauch.jpg?v=1763125229"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/nor-amultimateclutch-ultimate-clutch-light-shoes-green-springs-specify-sprocket-nauc.jpg?v=1788980498","url":"https:\/\/swiftkarting.com\/collections\/nor-am-ultimate-clutch-kart-parts-35-chain.oembed","provider":"Swift Karting","version":"1.0","type":"link"}