Loading... Please wait...These traction bars can be used on any early Mustang chassis. They are an exact replacement underride traction bar as used on 1966 Shelby Mustangs. They will control axle wind-up and wheel hop at a very reasonable cost while maintaining that original vintage correct look. For rear end housings with standard 2-1/2” wide spring pads. Heim joint upgrade. Welding is required.