{"title":"Premier #219 Sprockets","description":"\u003cp\u003ePremier #219 sprockets bolt to Premier clutches and run on #219 chain, which has an 8 mm (0.315 in) pitch. Available tooth counts from 16T to 21T change final drive ratio without swapping the clutch body.\u003c\/p\u003e","products":[{"product_id":"premier-16t-219-sprocket-apbsj21916","title":"Premier 16-Tooth #219 Sprocket with Retaining Clip for Karts","description":"\u003cp\u003eFine-tune your kart's gearing starting with the Premier 16T #219 Sprocket—includes the essential retaining clip for secure installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Gear Ratio:\u003c\/strong\u003e 16 teeth promote rapid acceleration, perfect for short straights and technical courses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChain Compatibility:\u003c\/b\u003e Designed for #219 chains, ensuring quiet, efficient power transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Fit:\u003c\/strong\u003e Spiral clip prevents loosening under vibration, maintaining alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis sprocket helps you exit corners with authority, reducing the need for high engine revs while boosting overall speed. It's a simple swap that can transform handling, especially in classes where torque is king.\u003c\/p\u003e\u003cp\u003eFor track organization, its durable construction means fewer adjustments mid-session. Pair with matching rear sprockets for custom ratios tailored to your style.\u003c\/p\u003e\u003cp\u003eSKU: APBSJ21916. Elevate your drive system and watch the competition fade in the mirrors.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a 16-tooth sprocket over a larger size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 16-tooth sprocket provides a lower gear ratio, which is ideal for technical tracks with tight corners. It allows for more rapid acceleration out of turns, helping you get back up to speed quickly compared to larger sprockets that favor top-end speed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the retaining clip included with this sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this Premier 16T sprocket comes with the essential retaining clip. This clip is vital for preventing the sprocket from loosening due to engine vibration, ensuring your drive system remains secure during a race.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with all kart chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this sprocket is specifically engineered for #219 pitch chains. Ensure your kart is equipped with a #219 chain system before installation to guarantee efficient power transfer and prevent premature wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your sprocket before every race session. Look for signs of uneven tooth wear or damage to the retaining clip. Keeping your drive system in top condition reduces the need for mid-session adjustments and ensures consistent performance.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-21t-219-sprocket-apbsj21921\"\u003ePremier 21-Tooth #219 Sprocket for Enhanced Kart Drive Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-19t-219-sprocket-apbsj21919\"\u003ePremier 19-Tooth #219 Sprocket with Clip for Enhanced Kart Top Speed\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-17t-219-sprocket-apbsj21917\"\u003ePremier 17-Tooth #219 Sprocket with Clip for Balanced Kart Speed\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ap219-stinger-sprocket-to-drum-shim-ap219\"\u003eStinger Sprocket-to-Drum Shim for Precise Clutch Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Premier","offers":[{"title":"Default Title","offer_id":52562665570622,"sku":"APBSJ21916","price":37.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/premier219sprockets-premier-16t-219-sprocket-apbsj21916.jpg?v=1763113985"},{"product_id":"premier-17t-219-sprocket-apbsj21917","title":"Premier 17-Tooth #219 Sprocket with Clip for Balanced Kart Speed","description":"\u003cul\u003e\n\u003cli\u003e\n\u003ci\u003eBalanced gearing awaits:\u003c\/i\u003e The Premier 17T #219 Sprocket comes with its spiral retaining clip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Ratio:\u003c\/strong\u003e 17 teeth offer a sweet spot for tracks blending straights and turns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSmooth Drive:\u003c\/b\u003e Precision teeth mesh flawlessly with #219 chains to minimize power loss.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade to this sprocket and feel the difference in how your kart pulls—quicker without sacrificing endurance. It supports organized gear setups, allowing easy adjustments for different events.\u003c\/p\u003e\u003cp\u003eBuilt tough for racing abuse, it keeps your chain taut and true, preventing skips that derail races. Ideal for tuners seeking that perfect harmony in driveline response.\u003c\/p\u003e\u003cp\u003eSKU: APBSJ21917.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a 17-tooth sprocket over other sizes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 17-tooth sprocket is often considered the \"sweet spot\" for karting. It provides a balanced gear ratio that offers a great compromise between acceleration out of corners and maintaining competitive top-end speed on straights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this sprocket come with the necessary hardware for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the Premier 17T #219 sprocket includes the essential spiral retaining clip, ensuring a secure fit onto your clutch drum and preventing the sprocket from sliding off during high-speed racing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with all karting chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This sprocket is specifically engineered for #219 pitch chains. It is not compatible with #35 or other chain sizes. Always ensure your chain pitch matches your sprocket and clutch driver for optimal performance and to prevent premature wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my sprocket for wear?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your sprocket teeth before every race day. Look for signs of \"hooking\" or thinning on the teeth, which indicates wear. A worn sprocket can cause your chain to skip or derail, potentially damaging your engine or chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this sprocket for different track layouts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. Having a selection of sprocket sizes allows you to tune your kart's gearing to the specific track. If you find you are hitting your rev limiter too early or struggling to pull out of tight corners, swapping to a different tooth count is a standard tuning practice.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-16t-219-sprocket-apbsj21916\"\u003ePremier 16-Tooth #219 Sprocket with Retaining Clip for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-19t-219-sprocket-apbsj21919\"\u003ePremier 19-Tooth #219 Sprocket with Clip for Enhanced Kart Top Speed\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-21t-219-sprocket-apbsj21921\"\u003ePremier 21-Tooth #219 Sprocket for Enhanced Kart Drive Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcab-titan-turned-clutch-drum-less-driver-tcab\"\u003ePrecision Titan Turned Clutch Drum Without Driver for Superior Engagement\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ap219-stinger-sprocket-to-drum-shim-ap219\"\u003eStinger Sprocket-to-Drum Shim for Precise Clutch Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Premier","offers":[{"title":"Default Title","offer_id":52562665636158,"sku":"APBSJ21917","price":37.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/premier219sprockets-premier-17t-219-sprocket-apbsj21917.jpg?v=1763113986"},{"product_id":"premier-18t-219-sprocket-apbsj21918","title":"Noram BSJ 18T #219 Clutch Sprocket - Hardened Steel - All Classes","description":"\u003cp\u003eDialing in your gear ratio is the most critical step in maximizing corner exit speed, and sourcing premium kart parts like the Noram BSJ 18T #219 Sprocket ensures your drivetrain translates every ounce of horsepower directly to the tarmac. Designed specifically for competitive racing setups, this 18-tooth sprocket provides the optimal mid-range torque needed to pull out of tight hairpins while maintaining enough top-end speed for long straights. Whether you are running high-revving rotax engines or a finely tuned Yamaha package, precise gearing is what separates the podium finishers from the rest of the pack.\u003c\/p\u003e\u003ch2\u003ePrecision Kart Parts for Rotax Engines and Beyond\u003c\/h2\u003e\u003cp\u003eWhen you are pushing the limits of your chassis, every driveline component must operate in perfect harmony. The Noram 18T #219 sprocket is engineered from hardened steel to withstand the brutal torque spikes characteristic of modern 2-cycle and 4-cycle powerplants. The included retaining spiral clip guarantees that the sprocket remains securely locked in place, eliminating the risk of lateral movement even when attacking aggressive curbs. This level of reliability is essential when pairing your drivetrain with high-output setups, ensuring that your power delivery remains linear and predictable lap after lap.\u003c\/p\u003e\u003ch2\u003eIntegrating with Your Tillotson Carburetor and Fuel System\u003c\/h2\u003e\u003cp\u003eA well-balanced kart requires synergy between the engine's power curve and the final drive ratio. When you tune your tillotson carburetor for maximum fuel flow and aggressive acceleration, you need a sprocket that can handle the immediate snap of power. The 18T configuration offers a versatile sweet spot, allowing drivers to stay in the optimal RPM range without over-revving at the end of the straightaway. This precise chain harmony reduces parasitic drag, keeping your #219 chain running quietly and efficiently, which translates to lower operating temperatures and extended component life.\u003c\/p\u003e\u003ch2\u003eTrack-Tested Durability: From Catch Cans to Drive Chains\u003c\/h2\u003e\u003cp\u003eProfessional racers know that a tidy, well-maintained setup is a fast setup. Just as you rely on high-quality catch cans to keep your engine bay clean and compliant, you need drivetrain components that won't leave you stranded with a thrown chain. The Noram BSJ 18T sprocket features precision-machined teeth that reduce chain wear and minimize the risk of binding, allowing you to focus entirely on hitting your apexes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Tooth Profile:\u003c\/strong\u003e 18 teeth facilitate steady, aggressive acceleration while maintaining excellent top-end speed for longer straights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Steel Construction:\u003c\/strong\u003e Resists wear and deformation under extreme load, ensuring longevity through back-to-back race weekends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFail-Safe Retention:\u003c\/strong\u003e The heavy-duty retaining spiral clip ensures the sprocket stays locked in position through heavy bumps and jumps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#219 Chain Harmony:\u003c\/strong\u003e Precision-machined pitch promotes quiet, highly efficient operation with minimal parasitic drag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Seamlessly integrates with standard Noram BSJ clutch systems for rapid pit-lane gearing changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Dissipation:\u003c\/strong\u003e Engineered mass reduction helps shed thermal load, protecting your clutch engagement RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Power Delivery:\u003c\/strong\u003e Prevents chain skipping and binding, translating raw engine torque directly to the rear axle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the 18T #219 sprocket is the right size for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 18T sprocket is a versatile mid-range choice. If you are struggling with corner exit speed on tight tracks, a larger sprocket (more teeth) will increase acceleration, while a smaller sprocket will increase your top-end speed on long straights. Always check your local track's gear charts for the recommended starting ratio for your specific engine class.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the retaining spiral clip included with this sprocket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the Noram BSJ 18T sprocket comes with the necessary retaining spiral clip. This clip is essential for preventing lateral movement and ensuring the sprocket remains securely locked to your clutch drum during high-vibration racing conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this #219 sprocket with a #35 chain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. This sprocket is specifically machined for #219 pitch chains. Using a #35 chain on a #219 sprocket will cause severe binding, chain skipping, and rapid wear to both the sprocket teeth and the chain rollers. Ensure your entire drivetrain matches the #219 pitch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my clutch sprocket for wear?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your sprocket teeth before every race weekend. Look for \"hooking\" or thinning of the teeth, which indicates the sprocket is nearing the end of its service life. Replacing a worn sprocket early prevents premature chain failure and ensures consistent power delivery.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-20t-219-sprocket-apbsj21920\"\u003eNoram Premier BSJ Clutch Sprocket - 20T #219 Pitch - Universal Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/stamped-drum-stinger-clutch-specify-size-sdsc\"\u003eNoram Premier Stinger Stamped Drum Clutch - Interchangeable Sprockets - LO206 Legal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scds-stamped-stinger-drum-only-scds\"\u003eNoram Premier Stinger Stamped Clutch Drum - SCDS - LO206 Legal\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noram","offers":[{"title":"Default Title","offer_id":52562665668926,"sku":"APBSJ21918","price":37.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/premier219sprockets-premier-18t-219-sprocket-apbsj21918.jpg?v=1763113987"},{"product_id":"premier-19t-219-sprocket-apbsj21919","title":"Premier 19-Tooth #219 Sprocket with Clip for Enhanced Kart Top Speed","description":"\u003cstrong\u003eChase higher speeds confidently\u003c\/strong\u003e using the Premier 19T #219 Sprocket—included clip secures it firmly.\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTop-Speed Focus:\u003c\/b\u003e 19 teeth stretch gear ratios for faster straight-line runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Resistance:\u003c\/strong\u003e Retaining clip locks against track chatter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEfficient Mesh:\u003c\/b\u003e Tailored for #219 chains to cut drag and noise.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for speed-oriented classes, this sprocket lets your engine breathe at optimal RPMs, boosting overall pace. It simplifies gearing experiments for organized teams.\u003c\/p\u003e\u003cp\u003eWithstand the rigors of speedway racing, it keeps your drive true and tensioned. A key to unlocking your kart's full potential.\u003c\/p\u003e\u003cp\u003eSKU: APBSJ21919.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a 19-tooth sprocket over a smaller size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 19-tooth sprocket is designed to stretch your gear ratio, which allows for higher top speeds on long straightaways. It is an excellent choice for tracks where you need to maximize your engine's RPM potential at the end of the straight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this sprocket come with the necessary hardware for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this Premier 19T sprocket includes a retaining clip. This clip is essential for locking the sprocket in place and preventing it from vibrating loose due to track chatter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this sprocket compatible with all karting chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This sprocket is specifically engineered for #219 pitch chains. Using it with the correct chain type ensures an efficient mesh, which reduces drivetrain noise and minimizes power-robbing drag.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does changing my sprocket tooth count affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Changing your sprocket tooth count is the most effective way to tune your gear ratio. A larger sprocket (like this 19T) generally increases top speed, while a smaller sprocket provides more aggressive acceleration out of corners. We recommend keeping a few different sizes in your pit box to experiment with gearing based on track layout.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-21t-219-sprocket-apbsj21921\"\u003ePremier 21-Tooth #219 Sprocket for Enhanced Kart Drive Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-17t-219-sprocket-apbsj21917\"\u003ePremier 17-Tooth #219 Sprocket with Clip for Balanced Kart Speed\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-16t-219-sprocket-apbsj21916\"\u003ePremier 16-Tooth #219 Sprocket with Retaining Clip for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ap219-stinger-sprocket-to-drum-shim-ap219\"\u003eStinger Sprocket-to-Drum Shim for Precise Clutch Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sc34cs-chamfered-crank-spacer-34cs\"\u003eChamfered 3\/4\" ID Crank Spacer for Premier Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Premier","offers":[{"title":"Default Title","offer_id":52562665701694,"sku":"APBSJ21919","price":37.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/premier219sprockets-premier-19t-219-sprocket-apbsj21919.jpg?v=1763113988"},{"product_id":"premier-20t-219-sprocket-apbsj21920","title":"Noram Premier BSJ Clutch Sprocket - 20T #219 Pitch - Universal Racing","description":"\u003cp\u003eMaximize top-end track speed and optimize power transmission in your go karts with this 20-tooth #219 pitch clutch sprocket, an essential piece of racing gear for sweeping circuits. Designed specifically for Noram Premier Stinger, Titan, and BSJ clutches, this 20T drive sprocket delivers the exact gear ratio needed to keep your engine in its peak powerband during long straights and fast, sweeping corners. The included heavy-duty retaining clip ensures the sprocket remains firmly seated on the clutch drum, preventing high-RPM dislodging and maintaining flawless chain alignment under extreme load. Proper gearing is the foundation of a winning setup, and this 20T option gives you the mechanical advantage required to outpace the competition.\u003c\/p\u003e\n\n\u003ch2\u003eHigh-Performance Go Kart Sprockets\u003c\/h2\u003e\n\u003cp\u003eWhen dialing in your chassis, drivetrain efficiency is just as critical as your engine tune. Unlike standard go kart sprockets that wear prematurely and cause chain binding, the Noram Premier 20T is machined from hardened steel to withstand the brutal torque spikes of competitive kart racing. The precision-cut #219 pitch teeth guarantee seamless chain engagement, significantly reducing parasitic drag and translating every ounce of horsepower directly to the rear axle. This level of manufacturing precision extends the life of your entire driveline, ensuring your chain and clutch drum survive the grueling demands of a full race weekend.\u003c\/p\u003e\n\n\u003ch2\u003eReliability for Parts New and Old\u003c\/h2\u003e\n\u003cp\u003eWhether you are completely rebuilding a tired clutch assembly or integrating parts new to your racing program, this sprocket provides a factory-spec fit that professional mechanics demand. It eliminates the slop and vibration that can lead to thrown chains, damaged clutch components, or catastrophic DNF results. Spend less time wrenching in the paddock and more time focusing on your lap times. Keep your pit setup as organized as your overflow catch cans by relying on drivetrain components that require zero mid-day tweaking and deliver consistent, repeatable performance heat after heat.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth Count:\u003c\/strong\u003e 20T configuration prioritizes top-end velocity, making it ideal for endurance races and high-speed track layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch Compatibility:\u003c\/strong\u003e Precision-machined exclusively for #219 chain systems, ensuring lossless power transmission and reduced friction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Mounting:\u003c\/strong\u003e The included heavy-duty retaining clip actively resists dislodging from high-speed stresses and aggressive kerb strikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Construction:\u003c\/strong\u003e Hardened steel alloy resists premature wear, galling, and tooth-hooking over multiple intense race weekends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch Fitment:\u003c\/strong\u003e Engineered as a direct replacement for Noram Premier BSJ, Stinger, and Titan interchangeable clutch systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFriction Reduction:\u003c\/strong\u003e Optimized tooth profile minimizes chain drag for maximum horsepower delivery to the rear wheels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this 20T sprocket compatible with my #35 chain setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. This sprocket is specifically machined for #219 pitch chain systems. Using it with a #35 chain will result in improper tooth engagement, severe damage to the sprocket, and potential chain failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I ensure the sprocket stays secure on the clutch drum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This sprocket includes a heavy-duty retaining clip. Ensure the clip is fully seated in the groove of the clutch drum during installation. Regularly inspect the clip for signs of wear or deformation after every race weekend to prevent the sprocket from dislodging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a 20T sprocket over other sizes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 20T sprocket is generally used to increase your top-end velocity. It is ideal for tracks with long straights and fast, sweeping corners where you need to maintain higher RPMs. Always check your track's gear chart to ensure this ratio aligns with your engine's powerband.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this sprocket require any special maintenance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the hardened steel construction is highly durable, you should clean the teeth regularly to remove debris and apply a high-quality chain lubricant. Check for \"hooking\" or thinning of the teeth periodically; if the teeth show significant wear, replace the sprocket to avoid premature chain wear.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/stamped-drum-stinger-clutch-specify-size-sdsc\"\u003eNoram Premier Stinger Stamped Drum Clutch - Interchangeable Sprockets - LO206 Legal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scds-stamped-stinger-drum-only-scds\"\u003eNoram Premier Stinger Stamped Clutch Drum - SCDS - LO206 Legal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-18t-219-sprocket-apbsj21918\"\u003eNoram BSJ 18T #219 Clutch Sprocket - Hardened Steel - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noram","offers":[{"title":"Default Title","offer_id":52562665734462,"sku":"APBSJ21920","price":37.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/premier219sprockets-premier-20t-219-sprocket-apbsj21920.jpg?v=1763113990"},{"product_id":"premier-21t-219-sprocket-apbsj21921","title":"Premier 21-Tooth #219 Sprocket for Enhanced Kart Drive Performance","description":"\u003cp\u003eEngineered for precision in high-stakes kart racing, the Premier 21t #219 Sprocket stands out as a vital upgrade for your drive-line system. Crafted from robust materials, it ensures smooth power delivery from the engine to the wheels, minimizing slippage and maximizing torque output during critical race moments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Premier #219 clutch systems for effortless fitment.\u003c\/li\u003e\n\u003cli\u003eIncludes a specialized retaining spiral clip to lock the sprocket firmly in place, preventing unwanted movement under extreme speeds.\u003c\/li\u003e\n\u003cli\u003eOptimizes gear ratios to help you shave seconds off your lap times by improving overall drivetrain efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you're navigating tight corners or pushing for that final sprint, this sprocket enhances acceleration response, giving you the edge over competitors. Its lightweight design reduces rotational mass, allowing quicker throttle response and better fuel economy on longer runs. Kart enthusiasts know that small components like this can make a big difference in race outcomes—reliable engagement means fewer pit stops and more podium finishes.\u003c\/p\u003e\u003cp\u003eInstallation is straightforward, requiring basic tools and no modifications, so you can get back on the track faster. Paired with other drive-line parts, it contributes to a balanced setup that handles the rigors of competitive racing. For those serious about kart performance, investing in quality sprockets like the Premier 21t #219 ensures longevity and consistent speed gains. SKU: APBSJ21921.\u003c\/p\u003e\u003cp\u003eDon't overlook the details that drive victory; this sprocket is your ticket to refined power transfer and organized trackside maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this 21-tooth sprocket compatible with all kart chains?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this sprocket is specifically engineered for #219 chain systems. Please ensure your kart is equipped with a #219 drive-line before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this sprocket come with the necessary hardware for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, each Premier 21t #219 sprocket includes a specialized retaining spiral clip to ensure the sprocket remains locked securely onto your clutch drum during high-speed racing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does changing to a 21-tooth sprocket affect my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Changing your tooth count alters your gear ratio. A 21-tooth sprocket is typically used to optimize acceleration and top-end speed balance. Adjusting your sprocket size is a key tuning step to shave lap times based on your specific track layout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the installation process difficult?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation is straightforward and requires only basic hand tools. Because it is designed for a direct fit with Premier #219 clutch systems, no modifications to your drivetrain are necessary.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-19t-219-sprocket-apbsj21919\"\u003ePremier 19-Tooth #219 Sprocket with Clip for Enhanced Kart Top Speed\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-17t-219-sprocket-apbsj21917\"\u003ePremier 17-Tooth #219 Sprocket with Clip for Balanced Kart Speed\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/premier-16t-219-sprocket-apbsj21916\"\u003ePremier 16-Tooth #219 Sprocket with Retaining Clip for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ap219-stinger-sprocket-to-drum-shim-ap219\"\u003eStinger Sprocket-to-Drum Shim for Precise Clutch Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tcasr-titan-clutch-assy-snap-ring-tcasr\"\u003eTitan Clutch Assembly Snap Ring for Secure Hub Retention\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Premier","offers":[{"title":"Default Title","offer_id":52562665767230,"sku":"APBSJ21921","price":37.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/premier219sprockets-premier-21t-219-sprocket-apbsj21921.jpg?v=1763113992"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/premier219sprockets-premier-16t-219-sprocket-apbsj21916.jpg?v=1788980743","url":"https:\/\/swiftkarting.com\/collections\/premier-219-pitch-kart-clutch-sprockets.oembed","provider":"Swift Karting","version":"1.0","type":"link"}