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The UMI F-Body lower control arm set for 1982–2002 GM cars uses a polyurethane-to-Roto-Joint combination to balance street comfort and rear-end articulation. The 4140 chrome-moly spherical ball runs in a CNC-machined delrin race for wear resistance; the Roto-Joint is adjustable and rebuildable with a spanner wrench. Constructed from 1.500" DOM tubing, the arms arrive TIG-welded, powder coated and ready to install.
UMI Performance 82-02 F-Body Lower Control Arms- Poly/Roto-Joint Combination
