8 Pack iridium Spark Plugs SP515 SP546 Fit for 2004 2005 2006 2007 2008 Ford F150 Expedition F250 F350 F450 F550 Super Duty F53 Lincoln Navigator Mark LT 5.4 6.8
Vehicle Fitment: Spark plugs for 2004 2005 2006 2007 2008 Ford F-150 5.4 V8, 2005 2006 2007 2008 Ford Expedition 5.4L, 2005 2006 2007 2008 Ford F250 F350 5.4L 6.8L, 2006 2007 2008 Lincoln Mark LT 5.4L, 2005 2006 2007 2008 Lincoln Navigator 5.4L, 2005-2007 Ford F450 F550 6.8L V10, 06-08 Ford F-53 6.8L
OE Part Number: SP515, SP546, SP546X, SP-546, SP-515, HT15, SP507, PZH14F, PZT2F, 132929499451, F1000399477MTR | Easy installation and manufactured to meet or exceed strict OEM specifications. Before purchase, please use the "Amazon Part Finder" to confirm compatibility
Fuel Efficiency: LCWRGS spark plugs are engineered with a 0.6mm ultra-fine iridium tip. Precision laser-welded construction ensures a stronger and more focused spark for more efficient combustion, helping you maximize fuel economy with every drive
Premium Materials: Crafted from iridium, our spark plugs boast an exceptional melting point and remain extremely stable under extreme engine heat, delivering superior resistance to both thermal and electrical wear for extended service life and fewer replacements
Our Promise: Set of 8 Spark Plugs; are backed by our 12-month worry-free warranty. If you encounter any issues with them, please feel free to contact our dedicated customer support team