Mr. Gasket's 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. They feature an extended sealing lip to positively locate and secure the gasket and stop it from moving to eliminate oil leaks. Available with plain or ball- milled tops and include a 1 1/4 inch diameter breather hole, except where noted. Packaged two per set. Product Features:0.125 in. ThickLightweightPrecision Die CastExtended Sealing LipStops Gasket From MovingA Perfect FitBeautifully Polished To A High Luster