Originally Posted by STi_traitor
Yes, I am on PSS 245/40/18 and 265/40/18 tire size. I thought 19's had more stretch which allowed more spacer room. Thanks for the info, very helpful.
I would go with a 15/12mm setup. It would be less prone to rubbing and also you would have a little left when you change tires or brands. 18/15 should work but would be more prone to rubbing if you had a carr full of passengers.