1953 Cadillac Rochester 4jet Carb 7004500 Dated J2 original carb for a 1953 Cadillac. #7004500. Dated J2 oct 1952. This looks to be restored. But has not been run and may need gaskets. This was on dual quad set up, but as display. Please make sure the choke etc is correct as it was on a later set up.