Feuling Parts – Valve Spring Kit – High Load Beehive with TI Retainers – Evo/Twin Cam | XL | Buell

Made from premium stress-relieved conical ovate wire with nitrided surface heat treatment, shot-peened surface enhancements and Nano PeenTM polish | Uses a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion | Designed to handle the highest demands of performance engines with high-lift, steep-ramped camshafts | Allows up to 0.750″ lift cams; no rocker box clearing required | Features extremely high level of fatigue life | Dyno proven and track tested | Kit includes High-Load BeeHive valve springs, lightweight 10 Titanium retainers manufactured from Ti-17 alloy and micropolished for enhanced fatigue life, machined heat-treated chromoly spring seats, seat shims, valve locks and a set of premium Viton valve seals equipped with spring-loaded valve stem wiper system | Made in the USA | Seat lb/installed height: | 170 lb at 1.935″ (0.720″ lift) | 185 lb at 1.900″ (0.685″ lift) | 200 lb at 1.845″ (0.630″ lift) | 208 lb at 1.819″ (0.604″ lift) | 215 lb at 1.800″ (0.585″ lift) | 217 lb at 1.789″ (0.574″ lift) | 415 lb at 1.215″ open height | Coil bind at 1.125″ | Valve springs must be installed at the correct OPEN HEIGHT, matching max lift to the open height spec of the valve springs. | Feuling BeeHive valve spring kit is direct replacement with no machining or rocker box clearance required. Up to .574″ lift for ’84-’04 Big Twin and ’86-’03 XL and up to .700″ lift for ’05-’17 Twin Cam. Larger camshafts require valve guide machining for seal-to-retainer clearance.