Reference Number: JY1918. Suitable for Jaguar XKR 2000-2006 4.0L V8. Suitable for Jaguar XK8 1997-2006 4.0L V8. Suitable for Jaguar XJR 1998-2003 4.0L V8. Suitable for Jaguar XJ8 1998-2003 4.0L V8. It ensures proper fuel atomization for optimal engine performance and smooth operation.