Cometic Oldsmobile 330/350/403 Gen-2 Rocket V8 .031in Fiber Intake Mani Gasket SetAFM 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 1973 1975 Buick Apollo Base 1975 Buick Apollo SR 1973 Buick Centurion Base 1973 1977 Buick Century Base 1975 1977 Buick Century Custom 1976 Buick