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UMI double‑adjustable lower control arms for 1978–1988 G‑Body pair greaseable Roto‑Joints with on‑car length adjustment using CNC‑machined left and right hand threads. Constructed from 1.500" DOM tubing with TIG‑welded chromoly threaded adapters, they let you move the rear end to fit larger tires or center aftermarket rear ends while keeping reinforced sway bar provisions and smooth, bind‑free operation suitable for street and competitive use.
UMI Performance 78-88 G-Body Double Adjustable Control Arms- w/ Roto-Joints
