ITEM NAME:6.0L Powerstroke Crude Oil High Pressure Oil Rail Ball Tube O Rings 2003 - N1C9 6.0L Powerstroke Crude Oil High Pressure Oil Rail Ball Tube O Rings 2003 - N1C9 Please note that this particular listing is for (8) Orings ONLY - Ball tubes and special tool are NOT included. When Ball tube o-ring failure occurs the ball tubes themselves are often etched and failure to replace them may cause repeat failure to occur. See the 6.0L Powerstroke section of our