Cometic Buick Big Block V8 .188in Molded Rubber Valve Cover Gasket SetCOMETIC Valve Cover Gaskets are manufactured from a soft durometer rubber wrapped around a steel torque limiting frame. Our valve cover gaskets offer unparalleled sealing and extended reusability. This design surpasses the quality and ability of a typical cork or paper gasket. The rubber and steel combination will withstand blowing out, over tightening, and high amounts of vacuum. This Part Fits: Year Make Model Submodel 1971 1973 Buick Centurion Base