Cometic Chevy Gen1 Small Block V8 .075in AFM Oil Pan Gasket Kit-Right Side Dipstick-Thick Front SealAFM is a chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core with temperature resistance of over 250F. AFM material has an 85 percent recovery while maintaining strong torque retention. AFM does not require gasket sealers or re torque. This Part Fits: Year Make Model Submodel 1980 1985 Avanti II Base 1985 Avanti II GT 1980 1981 Buick Century Base 1980 1981 Buick Century Estate 1980 1981 Buick Century Limited 1980 1981