Oldsmobile 400 425 455 Black 3/16 Thick Rubber Steel Core Valve Cover Gasket Set This Speedmaster manual transmission is

This Speedmaster manual transmission is built with all brand new components and case

while increasing thermal conductivity

also the passing gear bracket

Designed for engines producing up to 500hp

Count on Speedmaster for your vehicle's hydraulic roller camshaft needs

Oldsmobile 400 425 455 Black 3/16 Thick Rubber Steel Core Valve Cover Gasket Set This Speedmaster manual transmission isSpeedmaster valve cover gaskets are manufactured from high quality rubber, which is molded over and vulcanized to a rigid steel frame. They won't leak, blow out, or get sucked in, the way stock or inferior quality aftermarket gaskets can. These gaskets feature superior quality rubber and steel, which outlast cork and rubber composite designs to provide years of dependable service, especially if you frequently have to remove and reinstall the valve