UMI Performance 78-88 GM G-Body 3/4in Solid Rear Sway Bar Auto-x/Road RaceUMI's G Body solid rear sway bar is designed specifically to excel when used in autocross or road racing applications. The G Body chassis when coupled with the common high rate PT bar tends to lift the inside rear tire during competition. The lower rate 3052 bar prevents inside rear wheel lift while still providing roll resistance and enhancing rotation. The chassis and differential housing mounts reduce bind normally associated with the factory style