Measure/compare bolt circle diameter and wheel center bore.

I'm not real familiar with the older trucks but I suspect bolt circle is 7.25" (5/10 lug hub centered).
Center bore may or may not match, GM used 4.75" up to 55 but much earlier trucks were smaller, not sure what year they increased to 4.75", 30's or 40's perhaps. Later than 55 is 5.25" center bore.

•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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