17" or 18" Aluminum Mopar Style Cop Wheels?
the GM vision rallyes aren't THAT far off....not sure what it looks like under that center cap...the 0 offset might limit how much tire you can fit
Vision Wheel 55 Rally Aluminum Wheels & 55 Rally Aluminum Rims On Sale
edit: found this w/o the center cap....
might have to get creative, maybe utilize the other bolt pattern to fasten something that would hold a standard mopar dogdish?