Check the listing for details. 1964-72 GM A F X Body 11" Zinc Power Brake Booster Master Cylinder Disc Drum Kit. Condition: New. Listed at 179.65 USD. This is a Brand New 11" Zinc Power Brake Booster Cast Iron Master Cylinder Disc/Drum Conversion Kit designed for your 1964-1972 GM A-F-X Body VehiclesFeatures: 11" Zinc brake booster with Bail Top Master CylinderThe booster mounts with a 4-bolt pattern. The 4 bolts are in a perfect square and are 3 3/8" apart (center to center).The master cylinder in this kit is the Bail Top style and features a 1" boreThis master has ports on both sides (9/16" and 1/2") and includes plugs to block the unused ports (4 Ports Total).This master cylinder will work with your disc/drum setupPackage Includes:11" Delco Moraine Stamped Zinc Power Brake Booster O.E.M.Firewall Brackets Riveted on Not Bolt On1" Bore Cast Iron Master Cylinder Left Mount (Disc/Drum) Proportioning Valve KitBrass Proportioning Valve for Disc/Drum BrakesMounting BracketBrake Light warning switchFits:1964-1972 Chevrolet Chevelle1964-1972 Chevrolet El Camino1964-1967 Chevrolet Malibu1967-1969 Chevrolet Camaro1970-1972 Chevrolet Monte Carlo1964-1972 Oldsmobile Cutlass1964-1971 Oldmobile 4421964-1972 Oldmobile F851964-1972 Oldmobile Vista Cruiser1964-1972 Buick Skylark1964-1972 Buick Special1967-1969 Pontiac Firebird1964-1972 Pontiac LeMans1964-1972 Pontiac GTO1964-1970 Pontiac Tempest Please Note: Professional Installation is Highly Recommended (No Instruction Included) 1004 + 3511 + PV2Kit (BCK-069)