Next Generation Corvette Stingray 5-Trident Spoke GM Wheel Exchange - Chrome : C8 2020+ Dress up your New C8 Corvette with our Chrome wheel exchange. These are factory C8 wheels (4) 19x8.5 / 20x11. WE ONLY EXCHANGE GM WHEELS. Exchange must be for same year & style GM wheels. We Only Exchange GM Painted or Polished Wheels. There is a $2500 refundable core charge.