1971-72 Chevrolet Chevelle, Elcamino Power Disc Master Cylinder Brake Lines OE Steel 2pc THESE ARE THE LINES THAT RUN FROM THE MASTER CYLINDER TO THE VALVE ON THE FRAME. They only fit the listing cars above. For cars with power brake booster and correct factory frame valve, have the correct fittings for the factory valve used only on 1971-72 cars.