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The SPC Performance adjustable upper control arm is a front Pro Series arm that provides threaded length adjustment for suspension tuning. It includes 5" adjusting sleeves, a GM full-size ball-joint plate and rod-end mounting for secure attachment. Intended for track-focused applications, the arm delivers repeatable, measured adjustment to help installers set alignment without altering factory mounting points.
SPC Performance GM Full Size Pro Series Front Adjustable Upper Control Arm (Race Only) (Race Only)
