{"title":"Aftermarket Bully Parts","description":"\u003cp\u003eAftermarket Bully parts are replacement and upgrade components for Bully-style kart clutches, including FCDC two- and three-disk drive hubs, drive plates, and keys used with FCDC-BCDH kits and BA series sprockets. They sit in the drive line so the clutch can transfer engine torque to the axle through the selected hub and sprocket stack.\u003c\/p\u003e","products":[{"product_id":"fcdc-bully-replacement-drive-plate-fcdc-bcdp","title":"Viper FCDC-BCDP Replacement Drive Plate for Bully Hubs - Heavy Duty - 4-Cycle Racing","description":"\u003cp\u003eWhen you are pushing your 4-cycle racing engine to the absolute limit, the Viper FCDC-BCDP replacement drive plate ensures your Bully clutch system transfers every ounce of torque directly to the track. Engineered specifically for aftermarket FCDC hubs while maintaining strict tolerances for genuine Bully OEM hubs, this drive plate eliminates the rotational slop that plagues inferior driveline setups. Whether you are diving deep into a hairpin or relying on maximum bite out of the corner, a precision-machined drive plate prevents clutch shoe misalignment and delivers the consistent engagement required to stay ahead of the pack.\u003c\/p\u003e\u003ch2\u003eSynergize with Your Go Kart Tires for Maximum Grip\u003c\/h2\u003e\u003cp\u003ePower means nothing if you cannot put it to the ground. By upgrading to this rigid drive plate, you ensure that the rotational energy from your engine is smoothly delivered through the drivetrain, allowing your go kart tires to hook up predictably without sudden shock loads that break traction. The lightweight yet incredibly tough construction minimizes rotating mass, giving you snappier throttle response during critical mid-range pulls. It is the perfect foundation for a highly tuned driveline, ensuring that your clutch overhaul translates directly into lower lap times.\u003c\/p\u003e\u003ch2\u003eOutperforming a Standard Go Kart Torque Converter\u003c\/h2\u003e\u003cp\u003eIn competitive sprint and endurance events, a finely tuned Bully clutch equipped with the FCDC-BCDP drive plate offers engagement precision that a standard go kart torque converter simply cannot match. Track feedback confirms that this plate withstands immense rotational stresses, keeping your bench clear of broken parts and your kart out on the circuit. The dual compatibility simplifies your pit box inventory, making it an essential upgrade for evolving racing fleets.\u003c\/p\u003e\u003ch2\u003eComplement Your Brake Cylinder and Driveline Setup\u003c\/h2\u003e\u003cp\u003eJust as a high-performance brake cylinder gives you the confidence to brake late, a fortified clutch assembly gives you the confidence to get back on the throttle early. Pair this drive plate with matching high-tensile bolts to bulletproof your setup. While you are dialing in your chassis—perhaps even considering a go kart steering wheel upgrade for better tactile feedback—do not neglect the heart of your driveline. This drive plate guarantees that your clutch shoes load evenly, reducing slip and maximizing grip when the green flag drops.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized FCDC Fitment:\u003c\/strong\u003e Precision-engineered specifically for aftermarket Viper\/FCDC drive hubs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Bully Compatible:\u003c\/strong\u003e Drops flawlessly into genuine Bully OEM hubs for ultimate versatility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Rotational Strength:\u003c\/strong\u003e Fortifies your clutch assembly against extreme torque and rotational stresses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Rotating Mass:\u003c\/strong\u003e Lightweight construction maintains agile kart handling and rapid engine acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEven Shoe Loading:\u003c\/strong\u003e Prevents critical misalignment to enhance clutch grip and drastically reduce slip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEndurance-Grade Durability:\u003c\/strong\u003e Built to survive grueling heat cycles and extended main events without failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Sourcing:\u003c\/strong\u003e Dual compatibility means fewer spare parts needed in your trackside toolbox.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this drive plate compatible with my genuine Bully clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The Viper FCDC-BCDP is engineered to maintain strict tolerances for genuine Bully OEM hubs, ensuring a perfect, drop-in fit for your existing clutch assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I replace my drive plate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Over time, drive plates can develop rotational slop or wear, leading to clutch shoe misalignment. Replacing it with this heavy-duty plate ensures consistent engagement, reduces slip, and helps transfer maximum torque to your rear tires.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this drive plate require special tools for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No special tools are required. It installs as a standard component of your clutch assembly. We recommend pairing it with high-tensile bolts to ensure the entire assembly remains secure under high-torque racing conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this help with my kart's throttle response?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The lightweight construction of the FCDC-BCDP minimizes rotating mass, which allows for snappier throttle response during mid-range pulls and more efficient power delivery.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-pressure-plate-fcdc-pp\"\u003eHigh-Performance Viper Clutch Pressure Plate for Superior Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-drive-hub-4-disc-fcdc-dh4\"\u003eHeavy-Duty 4-Disc Viper Clutch Drive Hub with 3\/4\" Bore\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-floater-plate-standard-095-fcdc-fp95\"\u003eStandard Viper Clutch Floater Plate .095 Inch Thickness\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-inner-thrust-bearing-fcdc-itb\"\u003eViper Inner Thrust Bearing for Clutch Durability\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/viper-clutch-7-8-o-d-steel-bearing-race-hd-treated-fcdc-br-ht\"\u003eViper Racing 7\/8\" O.D. Steel Clutch Bearing Race - HD Heat-Treated - Sprint \u0026amp; Oval Class\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Viper","offers":[{"title":"Default Title","offer_id":52562622480702,"sku":"FCDC-BCDP","price":47.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/aftermarketbullyparts-fcdc-bully-replacement-drive-plate-fcdc-bcdp.jpg?v=1763113039"},{"product_id":"fcdc-bully-three-disk-arena-drive-hub-kit-fcdc-bcadhk3","title":"FCDC Bully Three Disk Arena Drive Hub Kit for Versatile Sprocket Use","description":"\u003cul\u003e\n\u003cli\u003eSpecifically crafted for arena racing demands, this kit pairs seamlessly with BA10T and BA11T sprockets (not included) to deliver instant power transfer.\u003c\/li\u003e\n\u003cli\u003eVersatile design allows adaptation for traditional 12t and larger sprockets by adding the FCDC-BR-HT bearing race—purchased separately—for expanded gearing options.\u003c\/li\u003e\n\u003cli\u003eSupplied with the correct key and seven 10-32 x 3\/8\" flat head cap screws to ensure a secure, vibration-free installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRemember, this is an aftermarket component, not produced by Bully, yet it matches the durability needed for intense track sessions. It installs effortlessly on newer OEM Bully six-spring pressure plates, though older versions may need minor grinding to align properly.\u003c\/p\u003e\u003cp\u003eIn the heat of arena kart battles, where quick starts and consistent drive are crucial, this hub kit helps organize your clutch assembly for peak efficiency. It reduces slippage and enhances acceleration, giving you the edge to pull ahead of competitors right from the gate. By fine-tuning your driveline, you'll achieve better fuel economy and less wear on other parts, keeping your kart race-ready longer.\u003c\/p\u003e\u003cp\u003eSKU: FCDC-BCADHK3 identifies this essential upgrade for serious racers looking to customize their Bully clutch for arena dominance. Don't settle for stock performance—elevate your game with this reliable kit.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit compatible with all Bully clutch pressure plates?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed to install effortlessly on newer OEM Bully six-spring pressure plates. If you are using an older version of the pressure plate, you may need to perform minor grinding to ensure proper alignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this hub kit with sprockets other than the BA10T or BA11T?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. While it is optimized for BA10T and BA11T sprockets, you can adapt it for traditional 12t and larger sprockets by purchasing the FCDC-BR-HT bearing race separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the kit include the necessary hardware for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit comes complete with the correct key and seven 10-32 x 3\/8\" flat head cap screws to ensure a secure, vibration-free installation on your clutch assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this an official Bully brand product?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is an aftermarket component manufactured by FCDC. It is engineered to match the durability and performance requirements of intense arena racing sessions.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fcdc-bully-three-disk-drive-hub-kit-fcdc-bcdhk3\"\u003eFCDC Bully Style Three Disk Drive Hub Kit - 7\/8\" Bore - Racing Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fcdc-bully-two-disk-arena-drive-hub-kit-fcdc-bcadhk\"\u003eFCDC Two-Disk Arena Bully Drive Hub Kit for BA Sprockets\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/replacement-key-for-fcdc-bcdh-kits-and-ba-series-sprockets-4651\"\u003eReplacement Key for FCDC BCDH Kits and BA Series Sprockets\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FCDC","offers":[{"title":"Default Title","offer_id":52562622513470,"sku":"FCDC-BCADHK3","price":115.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/aftermarketbullyparts-fcdc-bully-three-disk-arena-drive-hub-kit-fcdc-bcadhk3.jpg?v=1763113040"},{"product_id":"fcdc-bully-three-disk-drive-hub-kit-fcdc-bcdhk3","title":"FCDC Bully Style Three Disk Drive Hub Kit - 7\/8\" Bore - Racing Karts","description":"\u003cp\u003eMaximizing the drivetrain efficiency of your racing kart requires precision-engineered components that can handle high-torque loads without flinching. When you're pushing maximum RPMs through upgraded engine pistons and aggressive fuel delivery systems, your clutch needs to translate that raw power directly to the asphalt or dirt. The FCDC Bully Three Disk Drive Hub Kit is built specifically to handle these extreme demands. Designed to replace or upgrade your existing drive hub, this kit ensures bulletproof reliability, seamless engagement, and optimal torque delivery, helping you shave crucial seconds off your lap times.\u003c\/p\u003e\u003ch2\u003eOptimizing Drivetrain Response for Upgraded Engine Pistons\u003c\/h2\u003e\u003cp\u003eHigh-compression engine builds generate immense rotational force that can easily overwhelm standard clutch components. This FCDC three-disk drive hub kit is machined to exact tolerances, ensuring that the power generated by your engine pistons is transferred efficiently to the rear axle. Designed to fit newer OEM Bully six-spring pressure plates perfectly, it organizes your driveline components for maximum reliability under pressure. (Note: older plates may require slight grinding for perfect compatibility). By minimizing friction and maximizing power output, this hub kit allows your kart to accelerate quicker out of tight turns and maintain top speed through the straights.\u003c\/p\u003e\u003ch2\u003eReliable Clutch Engagement for Tillotson Carburetor \u0026amp; Walbro Carb Setups\u003c\/h2\u003e\u003cp\u003eWhether your engine breathes through a high-flow Tillotson carburetor or a precision-tuned Walbro carb, consistent clutch engagement is the key to harnessing that power. The FCDC drive hub kit features a robust Viper bearing race that can be easily removed for arena applications or swapped with a bronze version for Bully or Tuck-n-Run 11t drive sprockets. To complete the ultimate racing setup, simply incorporate two thin (.015\") Bully inner thrust washers and one FCDC-ITB or BCITB bearing (sold separately). This configuration guarantees that your clutch system remains a powerhouse of efficiency, race after race.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-Disk Configuration:\u003c\/strong\u003e Engineered to handle high-torque racing applications and heavy loads with zero slippage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViper Bearing Race:\u003c\/strong\u003e Includes a removable Viper bearing race, swappable with a bronze version for 11t drive sprockets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Designed to fit newer OEM Bully six-spring pressure plates flawlessly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Alignment:\u003c\/strong\u003e Comes complete with the essential proper key to ensure perfect shaft alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Mounting Hardware:\u003c\/strong\u003e Includes seven 10-32 x 3\/8\" flat head cap screws for secure, vibration-resistant mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Bore Fitment:\u003c\/strong\u003e Fully compatible with traditional 7\/8\" bore sprockets (sprockets not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Aftermarket Quality:\u003c\/strong\u003e Delivers OEM-level durability and performance at a competitive edge for serious racers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInvest in the FCDC Bully Three Disk Drive Hub Kit to lock in your driveline reliability. It's the definitive choice for kart enthusiasts focused on performance tuning, durability, and absolute track dominance.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this hub kit compatible with my existing Bully pressure plate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed to fit newer OEM Bully six-spring pressure plates flawlessly. If you are using an older style plate, you may need to perform slight grinding to ensure perfect compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include the sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this kit does not include the sprocket. It is designed for use with standard 7\/8\" bore sprockets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this for arena racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit features a removable Viper bearing race that can be removed for arena applications or swapped with a bronze version for specific 11t drive sprockets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What additional parts do I need to complete the assembly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To complete the setup, you will need two thin (.015\") Bully inner thrust washers and one FCDC-ITB or BCITB bearing, which are sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the mounting hardware included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit comes with seven 10-32 x 3\/8\" flat head cap screws for secure mounting and the proper key for shaft alignment.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fcdc-bully-two-disk-drive-hub-kit-fcdc-bcdhk2\"\u003eFCDC Bully Two-Disk Drive Hub Kit - 7\/8\" Sprocket Compatibility - Adult\/Junior Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fcdc-bully-two-disk-arena-drive-hub-kit-fcdc-bcadhk\"\u003eFCDC Two-Disk Arena Bully Drive Hub Kit for BA Sprockets\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fcdc-bully-three-disk-arena-drive-hub-kit-fcdc-bcadhk3\"\u003eFCDC Bully Three Disk Arena Drive Hub Kit for Versatile Sprocket Use\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/replacement-key-for-fcdc-bcdh-kits-and-ba-series-sprockets-4651\"\u003eReplacement Key for FCDC BCDH Kits and BA Series Sprockets\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FCDC","offers":[{"title":"Default Title","offer_id":52562622579006,"sku":"FCDC-BCDHK3","price":139.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/aftermarketbullyparts-fcdc-bully-three-disk-drive-hub-kit-fcdc-bcdhk3.jpg?v=1763113041"},{"product_id":"fcdc-bully-two-disk-arena-drive-hub-kit-fcdc-bcadhk","title":"FCDC Two-Disk Arena Bully Drive Hub Kit for BA Sprockets","description":"\u003cul\u003e\n\u003cli\u003ePrimed for arena-specific BA10T and BA11T sprockets\u003c\/li\u003e\n\u003cli\u003eVersatile conversion to 12T+ via optional bearing race\u003c\/li\u003e\n\u003cli\u003eComplete with key and mounting FHCS for hassle-free assembly\u003c\/li\u003e\n\u003cli\u003eAftermarket excellence; suits updated Bully pressure plates\u003c\/li\u003e\n\u003cli\u003eGrinding tip for legacy plates ensures broad usability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eArena racing calls for nimble gearing—this hub kit (SKU: FCDC-BCADHK) delivers, enabling seamless shifts between compact BA sprockets and larger traditional ones for all-around performance.\u003c\/p\u003e\u003cp\u003eIts modular design lets tuners adapt on the fly, incorporating the BR-HT race for expanded options while keeping additional parts minimal. This flexibility aids in organizing multi-format preparations, reducing trailer clutter.\u003c\/p\u003e\u003cp\u003eDrivers experience crisper engagements in tight spaces, where quick direction changes demand instant power. The kit's hardware guarantees stability, preventing slips that could derail runs. In blended series, this adaptability proves invaluable, supporting everything from indoor tracks to outdoor hybrids.\u003c\/p\u003e\u003cp\u003eFor crews, the straightforward install means more time strategizing, less wrenching. As a non-OEM innovator, it pushes boundaries, helping karts punch above weight in speed and handling.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit compatible with standard Bully pressure plates?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this kit is designed to suit updated Bully pressure plates. If you are using legacy plates, a minor grinding adjustment may be required to ensure proper fitment and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this hub with sprockets larger than 11T?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. While the kit is primed for BA10T and BA11T arena sprockets, it features a modular design that allows for conversion to 12T+ sprockets by utilizing an optional bearing race.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the kit include the necessary hardware for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the FCDC Arena Drive Hub Kit comes complete with the required key and mounting FHCS (Flat Head Cap Screws) to ensure a hassle-free and secure assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why would I choose this arena-specific hub over a standard drive hub?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This hub is engineered for the nimble gearing required in tight arena racing. It allows for quick, seamless shifts between compact BA sprockets and larger traditional ones, providing crisper engagement and better power delivery in tight corners.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fcdc-bully-three-disk-arena-drive-hub-kit-fcdc-bcadhk3\"\u003eFCDC Bully Three Disk Arena Drive Hub Kit for Versatile Sprocket Use\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/replacement-key-for-fcdc-bcdh-kits-and-ba-series-sprockets-4651\"\u003eReplacement Key for FCDC BCDH Kits and BA Series Sprockets\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fcdc-bully-two-disk-drive-hub-kit-fcdc-bcdhk2\"\u003eFCDC Bully Two-Disk Drive Hub Kit - 7\/8\" Sprocket Compatibility - Adult\/Junior Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fcdc-bully-three-disk-drive-hub-kit-fcdc-bcdhk3\"\u003eFCDC Bully Style Three Disk Drive Hub Kit - 7\/8\" Bore - Racing Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FCDC","offers":[{"title":"Default Title","offer_id":52562622611774,"sku":"FCDC-BCADHK","price":115.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/aftermarketbullyparts-fcdc-bully-two-disk-arena-drive-hub-kit-fcdc-bcadhk.jpg?v=1763113042"},{"product_id":"fcdc-bully-two-disk-drive-hub-kit-fcdc-bcdhk2","title":"FCDC Bully Two-Disk Drive Hub Kit - 7\/8\" Sprocket Compatibility - Adult\/Junior Classes","description":"\u003cp\u003eMaximizing torque transfer in your go kart demands a drive hub that adapts to track conditions without requiring a complete clutch overhaul. The FCDC Two-Disk Bully Drive Hub Kit (MPN: FCDC-BCDHK2) delivers exactly that, engineered specifically for Bully clutch enthusiasts who need rapid, reliable sprocket swaps. Whether you are dialing in the gear ratio for a tight indoor arena or a sweeping outdoor circuit, this all-in-one kit provides the structural rigidity and modularity required to keep your driveline operating at peak efficiency.\u003c\/p\u003e\u003ch2\u003eUnlocking Briggs and Stratton LO206 Horsepower\u003c\/h2\u003e\u003cp\u003eWhen you are trying to extract every ounce of briggs and stratton lo206 horsepower, drivetrain friction and vibration are your worst enemies. This FCDC hub kit is machined to exacting tolerances, ensuring your two-disk setup routes power directly to the rear axle with zero slip. The included removable Viper bearing race allows seamless transitions between standard and arena configurations. By utilizing just two .015\" washers and an inner thrust bearing, racers can switch setups in minutes, keeping the pit area organized and the focus entirely on the next heat.\u003c\/p\u003e\u003ch2\u003ePerfect Gearing for Mini Go Karts and Full-Size Chassis\u003c\/h2\u003e\u003cp\u003eGearing dictates your exit speed, whether you are tuning lightweight mini go karts for junior classes or setting up a full-size senior chassis. This kit supports traditional 7\/8\" bore sprockets straight out of the box, giving you a massive range of tuning options. Need to run an 11T sprocket? The bronze race option ensures full Bully and Tuck-n-Run compatibility. The kit includes the necessary key and seven flat head cap screws (FHCS) for an immediate, rock-solid installation that fits modern six-spring plates cleanly.\u003c\/p\u003e\u003ch2\u003eBalancing Speed with Kart Wheels and Racing Helmets\u003c\/h2\u003e\u003cp\u003eTuning your clutch engagement is just as critical as selecting the right tire compound for your kart wheels or ensuring your driver is protected with top-tier racing helmets. A slipping clutch generates heat and kills momentum. By upgrading to this aftermarket powerhouse, teams report significantly enhanced power routing, leading to tighter lines and faster sector times. The secure mounting hardware minimizes the harmonic vibrations that sap speed, while older legacy plates can achieve a perfect fit with only minor grinding.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal 7\/8\" Bore Support:\u003c\/strong\u003e Mounts traditional 7\/8\" bore sprockets out of the box for immediate track readiness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Viper Bearing Race:\u003c\/strong\u003e Includes a removable race to effortlessly convert between standard and arena configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11T Sprocket Compatibility:\u003c\/strong\u003e Optional bronze race enables seamless integration with Bully and Tuck-n-Run 11T setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Hardware Package:\u003c\/strong\u003e Supplied with a precision-machined key and seven FHCS for secure, vibration-free mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern Plate Fitment:\u003c\/strong\u003e Aftermarket design cleanly fits modern six-spring plates, with minor grinding required for legacy karts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Pit Adjustments:\u003c\/strong\u003e Requires only two .015\" washers and an inner thrust bearing to completely reconfigure your drive hub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Routing:\u003c\/strong\u003e Eliminates driveline slop to maximize acceleration and corner exit speed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit compatible with my existing Bully clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this kit is designed for Bully clutch enthusiasts. It fits modern six-spring plates cleanly, though some legacy plates may require minor grinding for a perfect fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this hub for both indoor and outdoor racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. The modular Viper bearing race allows you to switch between standard and arena configurations quickly, making it ideal for adapting to different track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What size sprockets does this hub support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This hub supports traditional 7\/8\" bore sprockets out of the box. If you need to run an 11T sprocket, you can utilize the optional bronze race for full Bully and Tuck-n-Run compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How difficult is it to change my gear ratio with this kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is designed for rapid pit adjustments. By using just two .015\" washers and an inner thrust bearing, you can reconfigure your drive hub in minutes without a complete clutch overhaul.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the kit include the necessary hardware for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit comes as a complete package including a precision-machined key and seven flat head cap screws (FHCS) to ensure a secure, vibration-free installation.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fcdc-bully-three-disk-drive-hub-kit-fcdc-bcdhk3\"\u003eFCDC Bully Style Three Disk Drive Hub Kit - 7\/8\" Bore - Racing Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fcdc-bully-two-disk-arena-drive-hub-kit-fcdc-bcadhk\"\u003eFCDC Two-Disk Arena Bully Drive Hub Kit for BA Sprockets\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fcdc-bully-three-disk-arena-drive-hub-kit-fcdc-bcadhk3\"\u003eFCDC Bully Three Disk Arena Drive Hub Kit for Versatile Sprocket Use\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/replacement-key-for-fcdc-bcdh-kits-and-ba-series-sprockets-4651\"\u003eReplacement Key for FCDC BCDH Kits and BA Series Sprockets\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FCDC","offers":[{"title":"Default Title","offer_id":52562622677310,"sku":"FCDC-BCDHK2","price":139.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/aftermarketbullyparts-fcdc-bully-two-disk-drive-hub-kit-fcdc-bcdhk2.jpg?v=1763113043"},{"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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/aftermarketbullyparts-fcdc-bully-two-disk-arena-drive-hub-kit-fcdc-bcadhk.jpg?v=1788978551","url":"https:\/\/swiftkarting.com\/collections\/aftermarket-bully-clutch-kart-parts-drive-hubs.oembed","provider":"Swift Karting","version":"1.0","type":"link"}