SPD AN fittings have the absolute highest quality available. All AN fittings are hard anodized, making them highly wear resistant. The AN fittings can be used with all fuels avalible like gasoline, methanol, ethanol and diesel. They are also suitable for use in water, air and oil systems. These AN fittings is compatible with steel braided AN hose with rubber core. They are not compatible with PTFE hose which is used with PTFE fittings. Select from the dropdown menu what color combination you want. Solid black Black-Red Black-Gold Black-Purple Browse the various images to to see how different color options look. We offer a full 5-year warranty on all SPD AN connections.