Quote Originally Posted by MKIV VR6
why not keep the 19s?
There aren't any sticky tires available in 19s.

Quote Originally Posted by GangstaCoupe
I know this doesnt relate, but heres a C6 Z06 with the ccw drag pack on it. Sorry the pic is so shitty my camera phone sucks at night.

I called and spoke with Chip at CCW and he advised the 18x12 Classics wouldn't clear the C6Z06 brakes on a C5Z06. But on top of that, he said the Classics are the weakest wheel and any big potholes/speedbumps would likely bend/damage the rim.