Originally Posted by
MetalMilitiaSRT
It depends on the width. If it is 8" or 8½" you should not need them for the front but do need for them the rear, I'd say 12-15mm.
Would you agree he doesn't necessarily "need" them, but that they will bring the wheels out further to where the stock wheels are and may look better. My ET45 track wheels fit, but I may push them out a bit with spacers for peace of mind.