Hotchkis Sport Suspension 1813 1958 - 1964 Chevrolet B - Body Rear Suspension Package w Dual Upper Arms. 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 arms (2) adjustable pan hard rod and hardware. Note This package has two (2) upper trailing arms. Vehicles equipped with one (1) upper arm should use part 1820.