Ford Performance#397-M-6518-BHValve Stem Locks
Ford Performance M-6518-BH - Ford Performance Valve Springs Retainers and Locks Details
Valve Stem Locks
Ford Valve Springs and Hardware
Ford Racing valve Springs, Retainers and Locks are the same high quality components that came on your high performance Ford or your original Ford Racing Cylinder Heads. If you have had some major hours on your engine, or you just want to freshen things up for the next season buy the Ford Racing parts and you won't have to spend an afternoon shimming and checking installed heights.