Valve Spring Kit - Steel Retainers - For 7.00 mm Valve Stem - Twin Cam

Made 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