If you are swapping hubs go for the 6 lug Budd hubs, as the wheel options (and prices) are better than 10 lug on 8.75" hub piloted, and lots better than 10 on 7.25"

I could not find any modern replacements for the 5 lug motor wheels you have.

Grigg

•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-