Description of 🔥 High Performance Platinum Engine Spark Plug Kit OEM#SP515 PZH14F SP-546 for Ford F-150 F-250 F-350 5.4L (8)
✓【Increases Fuel Efficiency】: G-Power Platinum Alloy Spark Plugs offer superior performance with improved fuel efficiency, lower emissions, and quicker starts. ✓【Reference number】: SP546, PZT14F, PZT1F, PZT2F, PZT2FF4, SP421, SP462, SP507, SP515 spark plugs. ✓【Fits】:For 2005-08 Ford Expedition Motorcraft SP515, SP546;For 2004-08;Ford F150 Truck V8 5.4L Motorcraft SP515, SP546;For 2004-08 Ford F150 Truck V8 4.6L Motorcraft SP515, SP546;For 2005-08 Ford F250 Super Duty Truck V8 5.4L Motorcraft SP515, SP546;For 2005-08;Ford F350 Super Duty Truck V8 5.4L Motorcraft SP515, SP546;For 2005-08 Lincoln Navigator Motorcraft SP515, SP546;For 2006-08 Mercury Mountaineer V8 4.6L Motorcraft SP515, SP546. ✓【Increased conductivity】: Increased conductivity and heat control for good overall. Stability: 0.6mm laser welded fine Platinum tip reduces required voltage ensuring motorcraft high durability and a consistently stable spark. ✓【Durability】:Trivalent Metal Plating offers superior anti corrosion and anti seizing properties while the triple gasket seal eliminates combustion gas leakage.