Oldsmobile 350 400 425 455 Fabricated Valve Covers - Black it provides efficient high water

it provides efficient high water flow and reliable performance

they have hardened stem tips for durability and are swirl-polished

This allows for an efficient fluid transfer

use Speedmaster cast iron cylinder heads

Dress up your oil system with a oil pan from PCE

Oldsmobile 350 400 425 455 Fabricated Valve Covers - Black it provides efficient high waterCover 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.