Cometic molded rubber valve cover gaskets for Chevrolet Gen-1 Small Block V8 (18/23 degree heads) are .188" thick and built with Viton-coated outer layers. The Viton coating withstands high temperatures and harsh sealing environments better than cork or paper, resisting blowout, over-tightening and high vacuum. Race-inspired materials deliver durable sealing and improved longevity for valve covers in high-output applications.
Cometic Chevy Gen-1 Small Block V8 .188in Molded Rubber Valve Cover Gasket Set - 18/23 Degree Heads