10° Chrome Moly Valve Lock for 3/8" Valve Stems, STD Height (Set of 32) Suit BB Chevy 396-424, Chrysler "B" 383 & 440 & Ford 332-428

Isky Heat Treated Locks with the proper taper angle grip your valve retainers with greater locking force and will out tensile anything on the market today. They are an absolute must for today's Hi-RPM racing engines. Don't take chances with blackened or plated stock type locks masquerading as genuine heat treated Isky. The safety of your racing engine demands only the best...ISKY CHROME MOLY VALVE LOCKS