now that ive got that out, it depends if they were ment for a c6 (which i doubt because of the small diameter) they would be the same as mine 1.5 and 2 rear.
But i havent got the thing on the road, or even tires on the wheels so dont quote me on that.
oh ive got a f body ls1 hahahah, oh and c6 zo6 brakes
yea they are oem wheels, i got a pretty good deal on them, and until i can afford some custom wheels to clear the callipers theyre my only option. Also the competetion grey looks awesome on my car, yes i am using 1.5 front and 2" rear adapters