Same pattern, the center bore changed from 4.75" up to 5.25" in approximately 1954-55.
Some very early trucks used same bolt circle and smaller yet center bore, also smaller lugs if I remember right.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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