Endurance Beehive Valve Spring Kit / M8 Motors

  Made from premium stress-relieved conical ovate wire Feature extremely high-level of fatigue life Use 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" (EU: 1,486 cm) and smaller lift camshafts Kits include: 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 lbs./installed height; 183 lbs. at 1.770" (0.510" lift) [EU: 83,00 kg at 4,50 cm (1,30 cm) lift)] 175 lbs. at 1.795" (0.535" lift) [EU: 79,38 kg at 4,56 cm (1,36 cm) lift)] 172 lbs. at 1.813" (0.553" lift) [EU: 78,02 kg at 4,61 cm (1,41 cm) lift)] 165 lbs. at 1.835" (0.574" lift) [EU: 74,84 kg at 4,66 cm (1,46 cm) lift)] 160 lbs. at 1.845" (0.585" lift) [EU: 72,57 kg at 4,69 cm (1,49 cm) lift)] 380 lbs. at 1.260" open height coil bind