Description: 20 inch wheels. Sport Suspension. Steel Wheels. 22 wheel. Aluminum Wheels. Rear Wheels. With aluminum valve stem, without CTS V. Kick the ride of your ATS Sedan up a notch with this Front and Rear Suspension Modification Kit designed to help keep the vehicle well balanced and improve its cornering capability to reduce body roll and improve traction. Coupe, with v. Without v, fe3 suspension.