Hotchkis Sport Suspension 1819 1965 - 1966 Chevrolet B - Body Rear Suspension Package w Single Upper Arm. Improve handling and traction on your 65 - 66 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 1814.