The best money you will ever spend on your classic Chevy. Every car needs one. This is an exact reproduction of the rarest of all accessories. Offered over the parts counter by Chevrolet, as the police car/taxi cab option to answer the homologation requirements of NASCAR in 1955. Legal on restorations. Brackets are Chevrolet design, not "chopped off" angle iron. While designed prior to disc brakes, this will work with disc brake conversion kits. Gold iridite/zinc chromate plating on all parts (paint ready to match chassis if desired). High carbon steel, hardened and stress -relieved, grade 5 and 8 hardware. Step-by-step instructions, with pictures, included. Also available in heavy duty. Heavy duty bar is one inch diameter (performance tested) and is powder coated black. Hardware is as original bar. Fits all Tri-Fives, fits disc brake conversions, fits Heidts control arms, excellent tire clearance. Looks, fits, and works great. This is a real sway bar. American made.