UMI Performance 79-98 Ford Mustang Rear Lower Control ArmsUMI Performance lower control arms are expertly crafted using strong DOM steel tubing for enhanced strength, rigidity, and bushing improvement. These direct bolt on replacements effectively reduce wheel hop and enhance cornering performance. Featuring CNC Machined 0. 120 wall thickness mild steel tubing, TIG and MIG welded construction, and grease able polyurethane bushings with grease fittings, these arms are the top choice in the market! This Part