Ford 429 460 Black 3/16" Thick Rubber Steel Core Valve Cover Gasket Set and less chance of crank

and less chance of crank failure

That means you get more airflow headed down the carburetor or throttle body and into the combustion chamber

leak-free seal and requires no additional sealants

The Speedmaster blocks are cast from high-density iron with extra-thick cylinder walls and decks

Ford 429 460 Black 3/16" Thick Rubber Steel Core Valve Cover Gasket Set and less chance of crankSpeedmaster 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