Cometic Chevrolet LB9/L98 Gen-1 305/350 TPI Intake Manifold Gasket KitAFM 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 1992 1993 Buick Commercial Chassis Base 1992 1993 Buick Roadmaster Base 1992 1993 Buick Roadmaster Estate Wagon 1992 1993 Buick Roadmaster Limited