Description:

[Vehicle Fitment]: Compatible with Avanti Avanti 2005-2007 V8 4.6L; Compatible with Ford Explorer 2006-2008, Explorer Sport Trac 2007-2008 V8 4.6L, Compatible with Mustang 2005-2008 V8 4.6L; Compatible with Mercury Mountaineer 2006-2008 V8 4.6L. [Reference Number]: SP-514, SP-547, PZH1F, PZK1F, PZT1F. [Specifications]: Center Electrode Tip Material: Iridium; Center Electrode Core Material: Platinum; Gap Size (IN): 0.45; Hex Size (IN): 0.63; Insulator Height (mm): 52.58. [Exceptional Ignitability]: Designed alongside OEMs and engineered for maximum ignition performance. [Engineered for Longevity]: For optimal engine performance and longevity, it is recommended to replace platinum iridium spark plugs at mileage intervals of 80,000 to 100,000 miles.