SpringRetainerKeeper, Steel 16 - 7 Degree, 3/8", Race Locks, Valve Lock, Keeper, Retainer Lock, 10 Degree, 7 Degree, Steel Retainer, 1 Groove, Valve Keeper, Valve Keeper Set, Valve Lock Set, Locks, Machined Steel Set of 16 - 7 Degree, 3/8", Single Groove Race Locks, None, Engine Valve Spring Retainer Keeper Kit.