They are easy to find, you can get them new, approx $200.
They can also be found used, but will take some looking, expect to pay up to $100 at a regular junk yard. I think a more reasonable price is 25-60, depending on condition. And occasionally you can get a whole set for the same money some folks want for a single wheel.
These prices are what I see around here, your area could be a lot more expensive, or not as much.
Get a price for new ones, then search for used ones and evaluate price when you find them, what are they worth to you?

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-