INLINE TUBE OEM CHB71J1 - 1971-72 Chevelle, Elcamino, Wagon, 4 Door MANUAL Disc Master Cylinder Lines 2 piece 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 NO power brake booster and correct factory frame valve, have the correct fittings for the factory valve used only on 1971-72 cars. THEY ARE FOR FACTORY STOCK CARS WITH NO MODIFICATIONS. This is an inline tube exact reproduction of the original with a tin coated steel tube OR 304 Stainless steel tube, with the correct color end fittings.