To extend fuel injectors Injector adapter for fuel injectors - top - 15mm 15 mm extension for fuel injectors To extend fuel injectors Note: We have various O-rings in the range (see accessories list). Thus, the appropriate O-ring for the intake manifold or the fuel rail can be ordered optionally. With this upper fuel injector adapter, fuel injectors can be extended by 15 mm. For example, if you install a custom fuel rail and the injector is too short. Material: Aluminum, Titan black Length: 15 mm Ethanol / E85 suitable