I think they are what he says they are.
19.5" wheels off of a step van.
I would like them for my 52 1 ton truck, but the drive to get them sucks. I am running 8R19.5" tires now with newer axles, but these wheels would work with my original axles.

•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-