UMI Performance adjustable upper and lower control arm kit for 1968–1972 GM A-Body cars includes tubular single-adjustable lower arms and on-car adjustable upper "Ultimate Arms." These direct-replacement arms add strength, improve ride quality, and provide rear-end adjustment for pinion angle and handling. Kit is intended for rear suspension upgrades on A-Body vehicles.
UMI Performance 68-72 GM A-Body Adjustable Upper & Lower Control Arm Kit