1.560" Od. 0.567" Id. 0.040" Thick Hardened Steel Valve Spring Cups Springs Speedmaster planetary gear sets are

Speedmaster planetary gear sets are ideal for modern big-displacement engines

Speedmaster single Keyway Double Row Timing Chain Kits are CNC Machined from billet

Throttle linkage kits make your carb installation look clean and professional

They are designed to position the starter to ensure proper starter drive to flywheel ring gear alignment

These Speedmaster Ford front covers are direct replacements for your stock timing chain cover

1.560" Od. 0.567" Id. 0.040" Thick Hardened Steel Valve Spring Cups Springs Speedmaster planetary gear sets areAs 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.