For Original Rear Ends Converted to Rear Disc. Compatible with 1955-1957 Chevrolet Bel Air, 210 and 150. These lines are shortened to run to the the hoses coming off the rear calipers (instead of running all the way out to the wheel cylinders). Made in the USA from 304 Stainless Tube, Plated Steel Fittings and Stainless Steel Spring Guard where applicable.. These lines are shortened to run to the the hoses coming off the rear calipers (instead of running all the way out to the wheel cylinders)