Pn# -CTB71F2- OE STEEL1971 Chevrolet GMC Truck 2WD 1/2-Ton Power Disc Front Brake Line Kit SetMade in the USABrake Line Sets or KitsA brake line kit or set is complete with all the metal hard lines on the car or truck. These kits have every line from the master cylinder all the way to the back-axle brakes. They are all preformed and ready to be installed. Typical brake line sets have master cylinder lines to the valve or ABS, the right and left from the Valve / ABS to the front rubber hoses. Also, lines from the Valve / ABS to the rear of the car or truck called the (front to rear Line) and Axle lines or trailing arm lines that feed fluid to the rear drum or did brakes. So, a kit is every hard line in the system that carries brake fluid. These sets do not come with the rubber flex hoses.