Brake Master Cylinder w/ Reservoir for 62-66 Buick GMC Jeep Oldsmobile Pontiac

Bore: 1 In.; w/ Reservoir, w/o Sensor. GMC 1500 Series 1963-1964 w/ Manual Brakes; Exc. Flat Face Cowl. GMC 1500 Series 1963-1964 w/ Power Brakes. GMC G1500 1964-1966 w/ Manual Brakes. GMC K1000 Pickup 1966 w/ Bendix Brakes; w/ Power Brakes.