I think the black on polished will look great! What color is you Z going to be?
I can't believe I can't call out the specs on my CCW's. I do know that they do slightly touch the inside front on the front tires at full lock. I should have gotten my front rims to stick out a touch further. That would have made the ZG's look better on my car, and solve the inside tire contact.
When I ordered mine, I let Mike (ON3GO) and John (@ CCW) tell me what I needed to order, spec wise.... oh well, I guess a 1/2 spacer would kick my fronts out to match the ZG's...
Anyways, glad to hear your getting a set too!!