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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
it will be stated with the part
They are quality-manufactured from stainless steel and are available in 18 to 80 oz
to maintain accurate valvetrain adjustment
These Performance Automatic hardened input shafts are custom-forged from 9310 non-twist steel
1.263" Od. 0.510" Id. 0.041" Thick Hardened Steel Valve Spring Seat LS1 it will be stated withAs 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$ 207.29
US$ 265.36
