Crown Automotive A556 Brake Master Cylinder, fits 41-48 Jeep MB, CJ2A

This Part Fits The Following:
Fits:
Willys MB (1941-1945)
Jeep CJ-2A (1945-1948); Up To Serial #215649.

Brake Master Cylinder; 1 Mating Hole Is Threaded and 1 Mating Hole Is Not Threaded; Center of Bolt Hole to Center of Bolt Hole is 3-1/8″.