1.640" Od .710" Id .040" Thick Hardened Steel Valve Spring Cups Ps8005 Springs The BlackPoison® DNA polarized sunglasses

The BlackPoison® DNA polarized sunglasses designed by Speedmaster protects your eyes from harmful sun UV rays while keeping you looking sharp with its timeless

Low maintenance solution for your Camaro

Speedmaster Chevy block mounted dipsticks are designed to fit 1980-85 small block Chevy applications and can be bent to fit each application if necessary

Speedmaster fuel filters flow up to 90 gph

this pulley is designed to provide superior durability and efficiency

1.640" Od .710" Id .040" Thick Hardened Steel Valve Spring Cups Ps8005 Springs The BlackPoison® DNA polarized sunglassesAs 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.