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If you don't want any breather holes drilled
Speedmaster Input shafts can withstand the stresses and the added power
Speedmaster now offers gaskets for all of the popular applications
ensure optimal performance and reliability
1.370" Od. 0.760" Id. 0.040" Thick Hardened Steel Valve Spring Cups Springs If you don't want anyAs 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.
US$ 40.00
US$ 56.00
US$ 13.00
US$ 28.00
US$ 45.00
US$ 60.00
