Vibrant T304 SS Exhaust Manifold Flange for Ford 260-351W 3/8in Thick (SOLD IN PAIRS)Vibrant Performance has developed one of the largest offerings of Exhaust Manifold Flanges in the industry. All of our Exhaust Manifold Flanges have had their exhaust port size optimized for either standard wall round tubing or Schedule 10 weld fittings. This Part Fits: Year Make Model Submodel 1966 1968 AC Shelby Cobra Base 1975 1976 Bricklin SV 1 Base 1970 1971 DeTomaso Mangusta Base 1971 1974 DeTomaso Pantera Base 1987 1989 DeTomaso Pantera GT5 S