Like joker said, just buy '51 doors (turn-down handle/vent window) . They will work without any modifications.
If you instead use '52-'55.1 doors (push button/vent window), you will need to use '52-'55.1 door strikers.
Carl


1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission