Carter W-O, 636-S - CJ-2A / CJ-3A / 1947 to 1950 Truck. Intake mounting studs measure 2-3/8 Center to Center.
Please clean up the oil channels and air filters as well as use the clean fuel before installing the carburetors. Please confirm your old part number matches up with one of the part numbers above.
Professional installation is highly recommended.