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!. UMI Performance lower control arms use CNC-machined DOM steel, TIG/MIG welded construction, and grease-able polyurethane bushings. Direct bolt-on replacements reduce wheel hop, improve cornering, and enhance track consistency.. UMI lower control arms: DOM steel, poly bushings, CNC, TIG/MIG welded.. UMI Performance 99-04 Ford Mustang Rear Lower Control Arms. 1.500” OD x 0.125” DOM mild steel tubing. On-car grease able High Quality bushings. Durable long lasting powder coat. UMI- Rear Control Arm. Zerk grease fittings. Lower Control Arms. CNC machined

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