UMI rear upper control/trailing arm (sold each) for 1959–1964 GM B-Body cars upgrades stock components with 1.750" x .120" DOM tubing, CNC-machined bushing holders and TIG-welded construction. Grease-able Energy Suspension polyurethane bushings reduce deflection for improved cornering and traction. Price is per arm—verify whether your application requires one or two upper arms before ordering.
UMI Performance 59-64 GM B-Body Upper Control/Trailing Arm- inBanana Armin