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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
Made from lightweight aluminum
circuit racing and made to withstand extreme use
This offers strength and no thrusting while torque is applied
with these Speedmaster polished aluminum differential covers
1.550" Od. 0.567" Id. 0.060" Thick Hardened Steel Valve Spring Seat Springs Made from lightweight aluminumAs 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$ 23.99
US$ 18.99
US$ 110.00
