Originally Posted by SD 335is
The Apex 18x8.5 wheels have a ET of 38 so compared to the stock rear wheels and tires mounted on the front the Apex wheel will move in 1mm with 1mm less clearance to the strut and 1mm more clearance from the fender lip.
18x8.5 seems to be a safe size, I'm wondering about the 18x9 ET42 which would put the wheel 11mm closer to the strut and 1mm closer to the fender lip.
I'm pretty sure that the 9" Apex ARC8 wheel won't fit unless your running quite a bit more camber up front and some spacers. I believe 5mm spacers.