Enhance your engine's performance with Mr. Gasket 179 Performance Valve Cover Gaskets. Made of high-quality cork material, these gaskets provide a perfect seal for your valve covers. With a thickness of .312 inches, they are built to last and withstand the pressure of your engine's movements. Ideal for car and truck enthusiasts, these valve cover gaskets fit perfectly with Mr. Gasket brand and offer a flat finish. Designed for your convenience, these gaskets are easy to install and are compatible with a broad range of vehicles. Get your engine running smoothly with Mr. Gasket 179 Performance Valve Cover Gaskets.