05-17 B/T ECONO BEE HIVE V/SPRING KIT

380 lb @ 1.250" Open Height 163 lb @ 1.835" (0.585" lift) 165 lb @ 1.825" (0.574" lift) 172 lb @ 1.803" (0.553" lift) Hand measured and labeled specifically based on their coil bing / required open height Coil Bind @ 1.180" 183 lb @ 1.760" (0.510" lift) 175 lb @ 1.785" (0.535" lift) Uses a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion Made from heat treated chromoly conical ovate wire Dyno proven and track tested Seat lb / installed height: Kit includes: Econo BeeHive® valve springs, lightweight 7° steel or titanium 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 Up to 0.585" lift Made in the USA Feuling® BeeHive® valve springs must be installed at the correct open height, matching max lift to the open height spec of the valve springs. 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.