try Pirelli website
looks like the rims are too wide - maximum rim width for the stock tires is 8.5". The best places to get this information are the tire manufacturers websites. I would never run a tire and rim combo that was not approved. See attached link to Pirelli Pzero Nero specs http://www.us.pirelli.com/en_US/tyre...productid=9853
06 GT Tungsten with quicksilver stripes, Prem with red interior, FSAB, stickshift. Lightning Performance 62mm TB, WMS CAI with Ram Air box, Kooks Long Tube headers, X-pipe and Magnaflow back system. Diablo Predator tuner. Tokico D-spec adjustable shocks, Eibach Sportline springs, BMR adj panhard. Stern ST-1 Beast 20" x 8.5" & 9.5" staggered wheels in Hyperblack with Nitto 555s, 255/35 & 275/35. 12" Phat antenna.