【Compatibility】 Compatible with 2005-2008 Ford Expedition 5.4L V8 | 2004-2008 Ford F-150 5.4L V8 | 2005-2008 Ford F-250 Super Duty 6.8L V10 | 2005-2008 Ford F-250 Super Duty 5.4L V8 | 2005-2008 Ford F-350 Super Duty 5.4L V8 | 2005-2008 Ford F-350 Super Duty 6.8L V10 | 2008 Ford F-450 Super Duty 6.8L V10 | 2010 Ford F-450 Super Duty 6.8L V10 | 2006-2007 Lincoln Mark LT 5.4L V8 | 2005-2007 Lincoln Navigator 5.4L V8.
【Function】 Spark plug failure will lead to vehicle shaking, power loss, engine starting difficulties, please replace it in time to improve ignition efficiency and enhance stability, long service life of 30000-40000 kilometers.
【Quality】 OE Standard Performance and Durability TS16949 Certified Manufacturer. All center electrodes are made of very fine iridium electrodes with good ignition performance. Insulators are made of isostatic ceramics with high density, high strength and good insulation.
【Our Guarantee】 We give 1 years product quality guarantee for this spark plug, during this period you can contact me at any time if you have any problem, I will reply you within 24 hours and solve the problem for you.