I run a 245 on a 9in rim, but have a slightly wider offset. I haven't run into any problems yet. These tires and rims were originally on a Saleen Mustang.
Garrett T3/T4 48/63, K&N, 60mm Jeep TB, Custom Log Manifold, 31x6x2.75 FMIC, Cartech FPR, 2.5" SS Catback, Accel Wires, NGK Plugs, Grounding Kit, Eibach Adjustable Coilovers /w Tokico Blues, TSW VX-1 Chrome 17x9, Toyo Proxies 245-45ZR17's Official Talon Brethren Member #5Finally Turbo'd!!! Now to the track