【Wide Compatibility】These spark plugs are compatible with 2004-2008 Ford F-150 5.4L V8, 2005-2008 Ford F-250/F-350 Super Duty 5.4L & 6.8L V10, 2005-2008 Ford Expedition 5.4L V8, 2006-2007 Lincoln Mark LT 5.4L V8, and 2005-2007 Lincoln Navigator 5.4L V8. Precisely engineered to meet OE specifications for a perfect fit and superior performance.
【High Performance & Fuel Efficiency】Built with high-quality electrode technology, these plugs ensure faster ignition, smoother engine operation, and improved fuel efficiency. They help to reduce misfires, enhance power output, and extend engine life.
【Replaces Multiple Part Numbers】These OE-standard spark plugs replace SP515, SP546, PZH-14-F, SP507, and other equivalent part numbers. Designed for direct replacement, ensuring a hassle-free installation process.
【Long-Lasting Durability】Manufactured using high-strength center electrodes and isostatic ceramic insulators, these durable spark plugs provide consistent ignition, better combustion efficiency, and a longer service life of up to 40,000 km under normal driving conditions.
【Reliable Quality & Warranty】Designed and tested to meet Original Standard, ensuring high durability and stable performance. Backed by a one-year hassle-free customer service guarantee. If you have any questions, feel free to contact us for support.