Cometic Chevy Mark-IV GM Gen-V/VI BB V8 .094in Fiber Valve Cover Gskt-Fits Brodix SR20 Series HeadsRace inspired designs and materials ensure that these valve cover gaskets will perform well above the OE standard. Cometic valve cover gaskets surpass the quality and ability of typical cork or paper gaskets offered by other manufactures. Withstands blowing out, over tightening, and high vacuum all at an affordable price. This Part Fits: Year Make Model Submodel 1965 1975 Chevrolet Bel Air Base 1965 1972 Chevrolet Biscayne Base 1973 1974 Chevrolet