Oldsmobile 350 400 425 455 Fabricated Valve Covers - Polished These rods incorporate a special

These rods incorporate a special dowelled cap for specific cap-to-rod alignment and are profiled with extra clearance for stroker applications

Featuring thicker walls and more gusseting than any other manufacturer

Speedmaster aluminum crankshaft pulleys are manufactured from 356 aluminum that is heat-treated to T-6 specs

increasing rigidity and eliminating leakage

a new lower housing casting for enhanced fuel flow

Oldsmobile 350 400 425 455 Fabricated Valve Covers - Polished These rods incorporate a specialCover your valvetrain with a set of Speedmaster fabricated aluminum valve covers. They feature lightweight construction with a thick rail for gasket support. These valve covers are TIG welded and are manufactured to help eliminate distortion and ensure a perfect fit to help protect your valve covers and rocker arms. Speedmaster aluminum valve covers are the perfect fit for your engine.