ISA Iridium Spark Plugs 8 Pack For Ford F150 Expedition F250 Super Duty F350 Super Duty Lincoln Navigator Mark LT 2004 2005 2006 2007 2008 5.4L V8 Spark plugs Replacement for SP515 SP546

ISA Iridium Spark Plugs 8 Pack For Ford F150 Expedition F250 Super Duty F350 Super Duty Lincoln Navigator Mark LT 2004 2005 2006 2007 2008 5.4L V8 Spark plugs [Important]:Verify compatibility using the fitment tool on Walmart before purchasing. [Vehicle Fitment]: Ford F-150 2004 2005 2006 2007 2008 V8 5.4L, Expedition 2005 2006 2007 2008 V8 5.4L, F-250 Super Duty 2005 2006 2007 2008 V8 5.4L, F-350 Super Duty 2005 2006 2007 2008 V8 5.4L Lincoln Navigator 2005 2006 2007 2008 V8 5.4L, Mark LT 2006 2007 2008 V8 5.4L [Replacement Part Number]:SP515 SP546 SP-515 SP-546 PZH14F PZT14F SP507 13292-9499451 F1000-399477-MTR HT15 MOFSP515 PZH-14-F [Specifications]: Center Electrode Tip Material: Iridium Gap Size (IN): 0.043 Hex Size (IN): 0.63 Thread Diameter (MM): 16 [Shipping/Return/Warranty]: Free 2-day shipping (for most items) Free 30-day return (from date of delivery) 1 year warranty