Rob thanks for posting. I love the Newgen 500s, but have to also consider the ARs given the cost delta.
Here is a Firebird with AR-500: The rim sizes are 17x7 4.25BS and 17x8 5.25BS 5x4.75 and tires are Nitto 555's 235x45 and 255x45
http://www.pro-touring.com/showthrea...8-Firebird-400