UMI boxed lower control arms for 1978–1996 GM B-Body with Poly/Roto-Joint use delrin-lined Roto-Joints and greaseable polyurethane bushings to eliminate deflection and reduce wheel hop. Constructed from heavy rectangular tubing with CNC machining and MIG/TIG welds, they include reinforced sway bar provisions and ship fully assembled for straightforward installation. Roto-Joints are adjustable and rebuildable for long-term use.
UMI Performance 78-96 GM B-Body Boxed Lower Control Arms- Poly/Roto-Joint