This oil line kit is designed to install an S300 or S400 turbo on your common rail 5.9 OR 6.7 Cummins in the 2nd Gen location. With all braided stainless lines and billet CNC machined adapters this kit will not only function perfectly it will look great doing it! Includes -10 oil drain and -6 oil supply. The oil drain utilizes an O-ring seal at the turbo drain adapter and a double O-ring seal at the engine block. Don’t settle for cheap rubber lines with hose clamps when you can have a high-quality oil line kit like this!