UMI Performance 3650-B Rear Lower Control Arms 1959-64 GM B-Body Black

The UMI Performance 3650-B rear lower control arms provide a significant upgrade over factory stamped steel trailing arms for 1959-1964 GM B-Body vehicles including Chevrolet Impala, Bel Air, Biscayne, and Caprice. These boxed control arms are engineered to enhance performance whether your classic B-Body is a restoration project, street car, cruiser, or drag racer.

Superior Construction:

• Boxed design with 0.120" wall thickness rectangular tubing for maximum strength
• CNC machined drawn over mandrel (DOM) bushing holders for precise fitment
• MIG welded end caps to prevent road debris intrusion
• Machine-guided DOM tubing bends maintain correct geometry while preserving material strength
• High-quality Tiger Dry Lac black powder coat finish for long-lasting durability

Performance Benefits:

• Greaseable polyurethane bushings improve ride quality and reduce deflection compared to stock rubber bushings
• Reduces body roll and increases traction by eliminating wheel hop
• Direct bolt-on replacement for weak, rust-prone factory stamped steel control arms
• Compatible with factory spring perches and original springs
• North American sourced materials with precision laser-cut components

Proudly manufactured 100% in the USA with robotic and skilled hand welding for consistent, high-quality welds and ultimate part penetration. Hardware kit available separately with all necessary Grade 8 fasteners.