COMP Cams 7 Valve Locks - Hardened Steel - Single Groove - 5/16" - (Set of 16) HYPLSML11 Needs headers and 2200+ stall

Needs headers and 2200+ stall

x 6-5/8" or 7" tall coil spring

5" x 8" x 36"

4L60E and 4L80E transmissions

Infinitely adjustable Vernier sprocket for absolute timing accuracy

COMP Cams 7 Valve Locks - Hardened Steel - Single Groove - 5/16" - (Set of 16) HYPLSML11 Needs headers and 2200+ stallMost people believe that the tang inside a valve lock is what actually holds the valve spring retainer and spring in place while the engine is running. This is not the case. The cross section of material in the tang is not strong enough to withstand today's open spring loads of 1000 pounds or more! The sole purpose of the tang is to temporarily locate the lock, retainer, and spring relative to the valve until the taper of the retainer can nest around