Just checked the 1939-53, 1947-54 and 1955-60 GMC Master Parts Books. No description of of the size or type of the connections are given.
Last edited by Bill Hanlon; 06/23/2026 11:10 PM.
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.
| 
