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The UMI boxed lower control arm for 1964–1972 A-body applications employs Roto-Joint swivel ends to eliminate bushing deflection and improve traction. Fabricated from 3" x 1-1/2" rectangular steel tubing, CNC-machined bushing holders and reinforced sway bar sleeves, these arms arrive fully assembled and powder coated. Greaseable delrin-lined Roto-Joints offer 28° of unrestricted movement for street or track use.
UMI Performance 64-72 A-Body Boxed Lower Control Arms- w/ Dual Roto-Joints
