The UMI double-adjustable upper and lower control arm kit for 1964–1967 GM A-body pairs double-adjustable lower arms with double-adjustable uppers to deliver full rear suspension tuning and enhanced durability. Spherical rod ends and adjustable links let you dial pinion angle and alignment for better traction and handling while replacing weak factory components with a robust, tuneable setup.
UMI Performance 64-67 GM A-Body Double Adjustable Upper & Lower Rear Control Arms