Description & Size Guide
Econo Beehive® Valve Spring KitMade from heat treated chromoly conical ovate wire Hand measured and labeled specifically based on their coil bing / required open height Uses a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion Dyno proven and track tested 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 Seat lb / installed height: 183 lb @ 1.760" (0.510" lift) 175 lb @ 1.785" (0.535" lift) 172 lb @ 1.803" (0.553" lift) 165 lb @ 1.825" (0.574" lift) 163 lb @ 1.835" (0.585" lift) 380 lb @ 1.250" Open Height Coil Bind @ 1.180" 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. 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) 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: 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.
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