Made from heat treated chromoly conical ovate wire
Uses a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion
Up to 0.585" lift
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
Seat lb / installed height:
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
165 lb @ 1.825" (0.574" lift)
163 lb @ 1.835" (0.585" lift)
380 lb @ 1.250" Open Height
175 lb @ 1.785" (0.535" lift)
172 lb @ 1.803" (0.553" lift)
183 lb @ 1.760" (0.510" lift)
Coil Bind @ 1.180"
Hand measured and labeled specifically based on their coil bing / required open height
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.
Garage
-1%
