comp cams valve spring locator, outside locating shoulder, steel, 0.300 in. thick, 1.732 in. o.d, 0.630 in. i.d, 1.468 in. spring o.d, set of 8

As with all other areas in the valvetrain, the area where the spring sits also takes a beating. The old standard shims and/or seats simply will not hold up to the extreme pressures and high rpm found in today's performance engines. COMP Cams valve spring locators solve this problem and eliminate failures.