Valve Keeper, Valve Keeper Set, Valve Lock Set, Locks, Set of 16 - 10 Degree, 3/8" Single Groove Locks w/ Lash Cap Recess -.050" Height, None, Engine Valve Spring Retainer Keeper Kit, SpringRetainerKeeper, 10 Degree 3/8" Locks w/ Recess .050" Ht, Valve Lock, Keeper, Retainer Lock, 10 Degree, 7 Degree, Steel Retainer, 1 Groove.