1.560" Od. 0.567" Id. 0.040" Thick Hardened Steel Valve Spring Cups Springs oil pan gaskets

oil pan gaskets

Speedmaster billet ball-milled rear view mirrors are a beautiful

providing competition engine builders with the most accurate valvetrain components available today

If you're looking for headers designed for maximum street performance

With these easy-to-install kits

1.560" Od. 0.567" Id. 0.040" Thick Hardened Steel Valve Spring Cups Springs oil pan gasketsAs with all other parts in the valvetrain, the area where the spring sits takes a beating. The old standard shims simply will not hold up to the extreme pressures and high rpm found in today's performance engines. Speedmaster offers this set of valve spring shims to solve this problem and eliminate failures.