The MC36263 brake master cylinder is made by cast iron. It fits for fordtrk 1967. The reference numbers are M71297, 13-1475, MCA71297 and 10-1475. The thread size of outlet ports is 1/2-20″ for the primary port & 9/16-20″ for the secondary port. The bore diameter is 1.125″ (=28.58mm).