Feuling Econo Beehive Valve Springs - 7 Degrees - 5/16in Valve Stem and Stock Keeper Groove - 1122

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 585in. and smaller lift camshafts
Available for 5/16in. and 7mm valves
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 lb. at 1.760in. (.510in. lift), 175 lbs. at 1.785in. (.535in. lift), 172 lbs. at 1.803in. (.553in. lift), 165 lbs. at 1.825in. (.574in. lift), 163 lbs. at 1.835in. (.585in. lift), 380 lb. at 1.250in. (open height) and coil bind at 1.180in.
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