Late 1977-79 Narrow 20 Axle Complete Brake Line Kit OE Steel 7pc. This preformed complete brake line kit will replace all the metal brake lines on your vehicle and includes the cylinder lines, left front line and right front crossover line, lines, and rear axle lines/trailing arm lines. Our replacement lines are engineered from factory original lines and Cnc manufactured for precision. They include the correct fittings, flares, and protective wrap (where equipped). Inline Tube also offers clip sets, hoses, and valves are available for most applications.