Pack of 8 Ignition Coils for 2003-2010 Jaguar - S-Type Super V8 Vanden Plas XF XJ8 XJR XK XK8 XKR - Range Rover LR3 4.2L 4.4L Compatible with C1427 UF519 DIRECT REPLACEMENT/ UPGRADE over your original stock coils. We only use the highest grade materials. This makes our product durable and reliable under extreme conditions while providing High Electrical Resistance, strong Spark from plugs, and being resistant to Corrosion and Abrasion IGNITION COILS for, 4.2L 5.0L, XF 2009 to 2010, Super V8 2005 to 2009, Vanden Plas 2004 to 2009, XJ8 2004 to 2009, XJR 2004 to 2009, XK 2007 to 2009, XKR 2003 to 2009, S-Type 2003 to 2008, XK8 2003 to 2006 JAGUAR owners please check fitment bar and description before you BUY IT as the ignition coil pack can change based on the year/ month of manufacture of your vehicle Interchangeable/Compatible Part Numbers: 6R83-12A366-AA, AJ8 10445, AJ8 3415, AJ8 7644 One Year Warranty Eliminate misfire Direct installation into vehicle Increase horsepower Stronger throttle response Durable as they come Custom-made for the road Fit OE equipment with ease Tested in real life situations Most coils comepre-greased