Mr. Gasket aluminum valve covers are precision die cast for light weight and a perfect fit. Beautifully polished to a high luster, they are sure to enhance the appearance of any engine compartment. Featuring an extended sealing lip to positively locate and secure the gasket and stop it from moving under pressure to eliminate oil leaks. The valve cover tops are a full .125 inch thick so they can be custom milled or engraved. Packaged 2 per set.