I PMed Ls3Rs the same sentiment and questions, then went ahead and got one. Very happy. Had been eyeing the OER 2 3/4" hood, but was worried about too much rise... ESR SR12s: F: 18"x9.5" / +22mm/6.11" - 12mm/.47" spacer = 5.64" effective backspace / 275/35R18 R: 18"x10.5" / +22mm/6.61"- 20mm/.79" spacer = 5.82" effective backspace / 315/30R18 Haven't driven the car, but see this thread for similar specs. I haven't put any camber in the front yet, but will do -1* or -1.5*, and it should clear fine even after I lower it a bit (and use button-head Torx bolts for inner fender). I cut the inner lip off and slightly flared the rear wheel openings - the rear will settle a bit more once the car is complete and after some time as the (PTFB Comp) leafs are brand new. I really wanted 315 out back. Worst case, I'll move the fronts to the rear and get 8.5" / 245 or 255 for the front, which should fit no worries at all, even slammed.