Da ass on that slobra my god. For width on the rim I would go as wide as you can so like a 10.5 or even an 11. That way if you want or need more tire your not out 2k on rims, I'm happy I did it. I went from 285 f1 supercars to 305 555Rs and thankfully didn't need to change rims.
Saleen SuperCharged, C500 Side Exhaust, Cervinis Ram Air IV Hood, Hurst Short Throw Shifter, Chrome GT500 Replica wheels, GT500 Front Splitter ModBMR 1.25 Lowering Springs, ADJ Panhard Bar, CHE Torque Limiters and K Member Brace