Oldsmobile 400 425 455 Black 3/16 Thick Rubber Steel Core Valve Cover Gasket Set These Speedmaster flexplate dust covers

These Speedmaster flexplate dust covers have brilliant polish finish and are made from high quality materials

which include heat-treated studs with rolled threads and special nuts with built-in serrated washer faces

while increasing thermal conductivity

Speedmaster 9 Keyway Double Row Timing Chain Kits are CNC Machined from billet

and will provide a leakproof seal

Oldsmobile 400 425 455 Black 3/16 Thick Rubber Steel Core Valve Cover Gasket Set These Speedmaster flexplate dust coversSpeedmaster 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