If correct bolt circle the center hole can be dealt with, either a bushing, or bore the wheels out. Neither is simple/free unless you have the equipment.
For example if you found 22.5" wheels with correct pattern it'd be worth dealing with the center hole if not already correct.

•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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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-