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UMI Roto-Joint adjustable upper control arms for 1991–1996 Impala SS improve traction and minimize wheel hop with a premium spherical joint and delrin race for low friction movement. On-car adjustability via a chromoly adjuster simplifies pinion angle tuning; CNC-cut mounting pads and TIG/MIG welds provide strength. These bolt-in arms install in about 1–2 hours and are built for both street and performance driving.
UMI Performance 91-96 Impala SS Adjustable Extended Length Upper Control Arms - Roto-Joints
