Originally Posted by 98intrigue

With the sport brakes, the smallest diameter wheel you can fit is an 18" wheel. Ideally, you want to be wider than the front. I will be running a 275/35/18 BFG drag radial on 18"x10" +22 wheels. You can get away with using an 18"x8" wheel with a 245/45/18 drag radial if you are staying NA. You can go as wide as a 315mm wide tire in the rear pending you use a 18"x10" or 18"x11" wheel with the correct offset.