MOCA 4Pcs Spark Plugs SP546 Fit 05-08 for Ford Expedition 5.4L, F-250/F-350 Super Duty 5.4L/6.8L, F53, 05-10 F-450/07-10 F-550 Super Duty 6.8L, 06-08 for Lincoln Mark LT, 05-08 Navigator 5.4L

Car Application: The surface of MOCA standard spark plug is electroplated to enhance the protection performance of the product; The head is made of high-purity metal material, and the unique design can focus energy faster and reduce the risk of overheating; Car Application: For Ford: 2005-2008 for Ford Expedition 5.4L V8 GAS SOHC Naturally Aspirated 2006-2008 for F-150 5.4L V8 FLEX SOHC Naturally Aspirated 2004-2008 for F-150 5.4L V8 GAS SOHC Naturally Aspirated 2005-2008 for F-250 Super Duty 5.4L V8 GAS SOHC Naturally Aspirated 2005-2008 for F-250 Super Duty 6.8L V10 GAS SOHC Naturally Aspirated 2005-2008 for Ford F-350 Super Duty 5.4L V8 GAS SOHC Naturally Aspirated 2005-2008 for Ford F-350 Super Duty 6.8L V10 GAS SOHC Naturally Aspirated 2005-2010 for Ford F-450 Super Duty 6.8L V10 GAS SOHC Naturally Aspirated 2005-2008 for Ford F53 6.8L V10 GAS SOHC Naturally Aspirated 2005, 2007-2010 for Ford F-550 Super Duty 6.8L V10 GAS SOHC Naturally Aspirated For Lincoln: 2006-2008 for Lincoln Mark LT 5.4L V8 GAS SOHC Naturally Aspirated 2005-2008 for Lincoln Navigator 5.4L V8 GAS SOHC Naturally Aspirated

• Compatibility: Please use Amazon Part Finder above or see description below to verify the fitment.
• Material: Nickel, Platinum. Ground Electrode Core Material: Nickel. Hex Size: 9/16 inch.
• Interchange Part Number: SP546, PZK14F, SP-546, SP515.
• Designed to operate over a much wider heat range than ordinary plugs, replacement racing spark plug used by many professional car drivers.
• If you aren't satisfied for any reason, the professional friendly after-service team in US to offer issues resolution.