Applications: Vehicles equipped with two (2) upper arms should use part # 1813.
Hotchkis Sport Suspension 1820 1958-1964 Chevrolet B-Body Rear Suspension Package w/ Single Upper Arm. Improve handling and traction on your 58-64 Chevrolet B-body by upgrading your flimsy stock suspension. Includes fabricated lower trailing arms adjustable upper trailing arm (1) adjustable pan hard rod and hardware. Note: This package has one (1) upper trailing arm. Vehicles equipped with two (2) upper arms should use part # 1813.