Ronal USA, provides the original fitment information, at the top of the page, devoted to the wheel/tire packages we offer for the 350Z.
You'll see staggered size fitments, and regular sized wheel/tire packages on the car in 17-18" sizes only.
The FACTORY or OEM information is at the top of the page...
providing wheel size, offset, tire size, centerbore opening, etc. plus aftermarket tire size and wheels shown on the car.
http://www.ronalusa.com INDEX of CARS section,
NISSAN 350Z...section..
For questions, email us at ronalusa@ronalusa.com