Exact copies of the originals. Steel tubing features tin/lead coating and plated zinc chromate fitting. Color coded fittings like originals. Stainless steel version features extra corrosion protection with correct zinc chromate plated fittings. Color coded fittings like originals. Disc Brakes- 4 pc, after 2/1/67 Drum Brakes Only- 5pc, after 2/1/67 Power disc brakes only (4 pc, before 2/1/67 ) w/proportioning valve at rear of car