New 15 in. 15x8 Rear Wheels And Tires For Dads 72 340 Duster

i bought 15 x 8 small bolt with 4 1/2 backing space with 275 60 15 tires and they hit the spring.

if you have large bolt with 10 x 2 1/2 brakes than 4 1/2 backing space will work perfect.