UMI Performance lower control arms are meticulously engineered using robust DOM steel tubing to provide added strength, rigidity, and bushing enhancement. These direct bolt-on replacements effectively eliminate unwanted wheel hop, improve cornering, and enhance track consistency. With CNC Machined 0.120” wall thickness mild steel tubing, TIG and MIG welded construction, and grease-able polyurethane bushings with grease fittings, these arms stand out as the ultimate choice in the market!