I'm sure this is a silly question but gonna ask anyway. I am going to upgrade my wheels and tires and was wondering in a superduty will any 20" wheel be fine? I know there are good and better ones in the market but as far as the sheer weight of truck and all. I don't really tow more than 7-8000 in the summer months.

 

8x170mm and a minimum of 17" diameter to clear the brakes.

 

Just found a deal on 20x9 on 35.12.5 will these fit stock 15 4x4 no level or lift

 

They will more than likely rub. Minor trimming should nearly alleviate all of it though.

 

It depends on the the wheel offset. I ran the stock 20x9 wheels with 35/12.50 MTZ's with no rubbing at all.But then I bought 20x10 Fuels with the same tires and the offset out and I had to add 2''lift spacers and trim about 1'' on the bottom of the plastic wheel liner.The rear is no problem and stock.