Hotchkis 63-82 Chevrolet C-10 Rear Sport Suspension PackageHotchkis Sport Suspension 18390 1963 1972 C 10 Truck Rear Suspension System. Install the Hotchkis Sport Suspension Rear Suspension System on your 63 72 C 10 Pickup and gain vastly increased handling and control. This kit combines a full length adjustable track bar Hotchkis Tuned Bilstein shocks new shock mounts and all necessary brackets to make your C 10 hook. This system is a much for any C 10 owner looking to gain maximum performance and traction