Edelbrock #9615 valve stem locks are 7° hardened steel locks for 11/32" valve stems, supplied as a set of 32. Machined from hardened 4140 steel with a black oxide finish, they are recessed for lash caps and specified for use with Edelbrock retainers. These machined locks are offered where hardened, precision locks are required in Edelbrock head applications.
Edelbrock Valve Locks Performer and Perf RPM BBC Heads