72 Duster Tire/Rim Size?

Yes, A 15 X 7 will fit on you duster as long as you have the correct backspace. I still have the small bolt pattern on my duster with 15 x 7 rallys, with a 4-1/4" backspace. I run 215X65X15 BFG tire. My rear rims are 15 X 8 rallys, with a 275-60-15 tire.