See more: ENGINE GROUP - VALVES + PARTS
Beehive® Valve Spring KitMade from premium stress-relieved conical ovate wire Features extremely high-level of fatigue life Uses a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion Designed to handle the demands of performance engines with 0.585" and smaller lift camshafts Kit includes: Econo BeeHive® valve springs, lightweight 7° steel retainers, 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 Seat lb/installed height; 183 lb at 1.770" (0.510" lift) 175 lb at 1.795" (0.535" lift) 172 lb at 1.813" (0.553" lift) 165 lb at 1.835" (0.574" lift) 160 lb at 1.845" (0.585" lift) 380 lb at 1.260" open height coil bind at 1.190" Dyno proven and track tested Feuling® BeeHive® valve springs must be installed at the correct open height, matching max lift to the open height spec of the valve springs Made in the USA Econo BeeHive® kit is direct replacement with no machining or rocker box clearance required for cams up to 0.574" lift for '84-'04 Big Twin and '86-'03 XL and up to .585" lift for '05-'17 Twin Cam. EU: Designed to handle the demands of performance engines with 1,486 cm and smaller lift camshafts. EU: Seat installed height; 83,00 kg at 4,50 cm (1,30 cm) lift) EU: 79,38 kg at 4,56 cm (1,36 cm) lift) EU: 78,02 kg at 4,61 cm (1,41 cm) lift) EU: 74,84 kg at 4,66 cm (1,46 cm) lift) EU: 72,57 kg at 4,69 cm (1,49 cm) lift) EU: 172,37 kg at 3,20 cm open height coil bind at 3,02 cm EU: Econo BeeHive® kits are direct replacement with no machining or rocker box clearance required for cams up to 1,458 cm lift for 84-04 Big Twin and 86-03 XL and up to .585" lift for 05-17 Twin Cam.