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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
Your street rod or show car deserves the very best
Upgrade your GM Powerglide or TH400 for extreme horsepower applications with this big shaft stator tube kit
These Speedmaster alternator brackets are constructed from billet aluminum for durability and can be used with several different alternators
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 Your street rod or showAs 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$ 251.09
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