Yes, you need strike plates that match the latches in the doors.
It would be a major project to alter the doors to accept a different style door latch. I may have to do just that if I can't find someone who has a very nice 52-54 to trade for a very nice 51 door.
Carl


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