SpringRetainerKeeper, 16 - 10 Degree, 11/32", 4 Grv Locks Ford, Valve Lock, Keeper, Retainer Lock, 10 Degree, 7 Degree, Steel Retainer, 1 Groove, Valve Keeper, Valve Keeper Set, Valve Lock Set, Locks, Set of 16 - 10 Degree, 11/32", 4 Groove Locks for Ford, None, Engine Valve Spring Retainer Keeper Kit.