Product Description 9" Single diaphragm, Delco-style booster. Finish: Zinc Master cylinder mounting studs are 3/8"-18 and measure 3 3/8" center-to-center. Includes clevis, pushrod extension, nuts, washers, and dust boot. Includes the brackets to bolt directly to the firewall on the applications listed below. Applications: Chevrolet: 1964-1972 Chevelle, El Camino 1967-1981 Camaro 1968-1974 Nova 1970-1972 Monte Carlo Buick: 1964-1972 Skylark, Special, and Sportwagon Oldsmobile: 1964-1972 Cutlass, 4-4-2 Pontiac: 1964-1972 Lemans, GTO, and Tempest 1967-1981 Firebird 1971-1974 Ventura Package Description Including all items in the pictures. Note: Professional Installation is Highly Recommended (No Instruction Included).
