Chevy SBC 350 1955-85 Rubber w/Steel Core Valve Cover Gasket Set - Black You cannot over-shift and miss

You cannot over-shift and miss a gear with Speedmaster automatic shifter

Speedmaster billet aluminum spacers provide the benefits of an open carburetor spacer

Speedmaster automatic transmission rebuild components ensure smooth gear changes and overall transmission performance

the Speedmaster piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range

Chevy SBC 350 1955-85 Rubber w/Steel Core Valve Cover Gasket Set - Black You cannot over-shift and missSpeedmaster 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