[Hutch]

I am not a stock truck specialist.

When I bought my 71 Chevrolet it came with after market 8 in wide wheels
It also came with 5 other wheels
They all were all mismatched
I think maybe one was the original all were 5 lug x 6in wide

I was able to purchase a 4 wheels with tires and caps that were original 1971 GMC The seller that stated they were all original to a 70,000 mile GMC

The 4 tires and wheels all have the same stampings on the outer wheels
They are all 15x6 in
I have not removed the tires to see if there is any markings inside