SP546 Spark Plugs Compatibile with Ford Expedition for F-150 F-250 Super Duty for F-350 Super Duty for Lincoln Mark LT for Navigator, 5.4L 6.8L V8 V10 Engine Replacement for SP421 SP515
Fit for Ford: for Expedition 2005-2008; for F-150 2004-2008; for F-250 Super Duty 2005-2008; for F-350 Super Duty 2005-2008. Fit for Lincoln: for Mark LT 2006-2008; for Navigator 2005-2008. Only for 5.4L 6.8L V8 V10 Engine.
Please check the fitment carefully (Enter your vehicle in the Amazonconfirmedfit above to see if this part is compatible with your vehicle).
Installation and Removal suggestion: Use a spark plug torque wrench to install or remove the spark plug, and adjust the installation torque to 25~30N.m 2.5~3.0kgf-m.
Performance: Designed specifically for the performance enthusiast, the spark plugs offers extreme ignitability and improve throttle response.