[CJM68GT390]

I have 235/60-15s on 15x7 w/ 4" backspace and they fit. But they are tight to the fenders so a larger tire with less backspace might not work.
Picture of the rear fenders:

 

[CJM68GT390]

I have only put a few miles on the Cobras, and can only say that they ride nice and seem to grip ok. I haven't pushed the car since they were installed so I can't comment on performance. Sorry.