Return Line hose replacement kit for Bosch P7100 Pump on the 94-98.5 Dodge Cummins and the VP440 on the 24 valve cummins. This kit replaces the steel return line that runs from the injection pump overflow valve back to behind the fuel filter and then on from the engine to the frame. It eliminates the steel bent lines that run behind the injection pump that are impossible to get at. These steel lines are prone to vibration and rust. Our kit includes the following. 6 FEET of 5/16 Marine Grade Double Wall Fuel Line. 6 FEET of 1" Heavy Duty Woven Nylon Hose Protector. 6 Ratchet ties. 2 Stainless Hose Clamps. 1 Banjo fitting. 2 Banjo sealing washers.