Sorry it took me so long to respond.
The rims are made by Intro Wheel out of Monrovia CA. The fronts are 18x9 with 4 5/8 backspacing. Tires are 275-40-18. The rears are 18x10 with 4 5/8 backspacing with a 295-45-18. Tires are Nitto 555.
These wheels and tires are a like it or hate it thing for guys on this forum, thats for sure.