The master cylinder brake with the outlet ports in one side is a Ford truck brake cylinder. The bore diameter is 1-1/16" (= 27mm ) with the outlet port thread of 1/2-20" & 9/16-18". The reference numbers are D7TZ2140B, 10-1676, MC39368, 13-1676, 18M196, M900396, 90-93043, M97936 and M1676. About the fitment, it is the details:
Ford
E-series 1977-1986
F-250 1977-1979
F-350 1979
