Fitment: Compatible with 2008-2014 Expedition V8 5.4L, 2008-2010 Explorer V8 4.6L,2008-2010 Explorer Sport Trac V8 4.6L; Compatible with 2009-2010 F-150 V8 4.6L,2007-2010 F-150 V8 5.4L; Compatible with 2008-2010 F-250 Super Duty V8 5.4L,2008-2009 F-350 Super Duty V8 5.4L;Compatible with 2010 F-350 Super Duty V8 5.4L,2010 F-350 Super Duty V8 5.4L, 2008-2010 Mustang V8 4.6L; Compatible with 2008-2014 Lincoln Navigator V8 5.4L, 2008 Mountaineer V8 4.6L, 2009-2010 Mountaineer V8 4.6L
Premium Function: The FD509 spark plug is used by the durable iridium spark plug, which has a much longer working life. The ignition coil is made of premium quality materials that ensured proper connection and resisted fractures caused by heat cycling
Customer support: It comes with a 1-Year Warranty. In case of product defects and malfunctions, you can contact us via Amazon Message and we will reply within 24 hours.