Cometic Ford Boss 302 V8 .125in Fiber Intake Manifold Gasket Kit-2.600in x 1.860in Rectangular PortsAFM 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 1970 Ford Mustang Base 1969 1970 Ford Mustang Boss 302 1970 Ford Mustang Grande 1970 Ford Mustang Mach 1 1969 Mercury Cougar Base 1969 1970 Mercury