I need help. I am told that the old stock rims are 4" and as such I cannot find radial tires for them. I presently have 6.50x16 and want to add radials. My stock rims are painted to match the rest of the truck, so I would prefer to reuse them. Also, they are tubed tires and I wonder if that will present any concerns with a new raidal tubless tire.

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