Hotchkis 63-72 Chevy/GMC C-10 Pick Up Rear Sport SwaybarHotchkis Sport Suspension 22390R 1963 1972 C 10 Truck Blade Style Rear Bar. Improve the cornering performance and traction of your 63 72 C 10 Pickup with the Hotchkis Sport Suspension Rear Blade Style Sway Bar. This bar was deigned to work in conjunction with our 18390 Rear Suspension system or as a great stand alone product. The adjustable rear bar design allows roll stiffness fine tuning for improved handling balance and traction. The kit includes