1.560" Od. 0.567" Id. 0.040" Thick Hardened Steel Valve Spring Cups Springs There's no better way to

There's no better way to top off your street machine than with one of our Speedmaster street scoop

They won't leak

These mounting blocks keep your starter secured and properly adjusted

and accept most aftermarket steering wheels

These bolts are forged from aerospace alloy and heat-treated prior to thread rolling and machining

1.560" Od. 0.567" Id. 0.040" Thick Hardened Steel Valve Spring Cups Springs There's no better way toAs 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.