What Is A Valve Cover Gasket? A valve cover gasket is a rubber, plastic, or cork seal that sits between the engine and valve cover. It seals oil inside the engine, preventing it from escaping and ...

The gasket is designed to bring a tight seal to the cylinder head and valve cover, which helps prevent oil from leaking out and spilling onto the rest of your engine.

Ever wondered how to modify a modern cylinder head to accept any original 1965-1971 intake manifold? The guys inside Pontiac High Performance will show you how. - High Performance Pontiac Magazine ...