Brake Master Cylinder with Reservoir for GMC FC280 FC300 FCS300 FF350 1947-1950

GMC FC280 1947-1950 All Engine Bore: 1.25 In., With Drum Brakes. GMC FCS300 1947-1950 All Engine Bore: 1.25 In., With Drum Brakes. GMC FF350 1947-1950 All Engine Bore: 1.25 In., With Drum Brakes. GMC FC300 1947-1950 All Engine Bore: 1.25 In., With Drum Brakes.