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UMI boxed lower control arms for 1978–1996 GM B-Body with Poly/Roto-Joint combine a polyurethane bushing on one end and a delrin-lined Roto-Joint on the other for street-friendly, bind-free movement. Built from 3" x 1-1/2" x 1/8" rectangular tubing with CNC bushing holders, MIG/TIG welds and reinforced sway bar holes, they ship fully assembled, are adjustable and rebuildable, and include a spanner wrench for Roto-Joint maintenance.
UMI Performance 78-96 GM B-Body Boxed Lower Control Arms- Poly/Roto-Joint
