Treal Performance | 2019-2025 Can-Am Ryker 630 Ultimate Primary Clutch Bolt Stock Primary clutch bolts can break under elevated stress allowing the clutch/crankshaft/governor cup taper to uncouple causing costly damage to clutches, structure and the engine crankshaft. The Ultimate clutch bolt was developed to eliminate this problem. The 630 "Ultimate" bolt is made from ultra-strong 200,000 Psi material that provides a massive improvement in clutch bolt and clutch/crankshaft taper stability and holding power. The ULTIMATE bolt directly replaces the OEM Can Am Ryker primary clutch bolt and uses the stock belleville washer. This bolt works with OEM clutches, aftermarket clutches that utilize the stock OEM length primary bolt. Protect your engine and save on costly repairs with Treal Performance's 2019-2025 Can-Am Ryker 630 Ultimate Primary Clutch Bolt. Made from ultra-strong 200,000 Psi material, this clutch bolt provides a massive improvement in stability and holding power for the clutch and crankshaft taper. No more worries about breaking under elevated stress - the ULTIMATE bolt is here to stay. It easily replaces the OEM Can Am Ryker primary clutch bolt and works with both OEM and aftermarket clutches. Be confident in the longevity of your vehicle with this high-quality upgrade.