Originally Posted by
Sockethead
Even with rolled fenders, you're going to rub with 12.5 mm in the back with stock wheels. It's not the fenders, its the plastic piece that holds the bumper on in the wheel well that's going to rub...
Also, I've found that different tires are different widths even if they are the same size. My Dunlops were wider that my Hankooks which were wider than my Bridgestones. all were the same size tire...
There was a thread somewhere for borrowing spacers from other members for testing so you didn't have to keep buying them to get the right size. Not sure if it's still active or not