1990 Wheels for C-4

I need some assistance on selecting wheels for my 1990 Corvette Coupe. 17 x 9.5 Wheel size but I would like to Use America Wheel Torq Thrust II or similar. My great wish is to avoid any compatibility issues which require modification of the integrity of the car. ( Buy em and bolt em on ) What specs do I need to have from the car in order to make an informed choice rather than depend upon sales personel for their "knowledge" ANY Suggestions or info would be greatly appreciated.
" Happy Shifting "

I think all you need is wheel size, bolt pattern (4.75") and back spacing, which I think is 38mm. Be sure to get the correct back spacing or the wheels will either stick in or out and not look too cool. Joe