Comprehensive Tune-Up Bundle: Includes DG521 ignition coils and SP-509 spark plugs—a complete kit crafted for V8 ignition systems.
Vehicle Applications: Designed for Ford F-150, Expedition, Explorer (2008–2014), F-250 & F-350 Super Duty (2008–2010), as well as Mustang, Lincoln Navigator, and Mercury Mountaineer—only common models using DG521.
OEM Equivalent Quality: Precisely replaces DG521 / UF-262 coil and SP-509 spark plug, ensuring OEM-spec fit and reliable ignition performance.
Durable & Performance-Oriented: Coils built with temperature-resistant copper and epoxy; plugs offer consistent spark for cleaner combustion and improved throttle response.
Simple, No-Hassle Installation: Direct-fit installation—no modifications needed. Bundle ensures matched components for smoother startups and improved fuel efficiency.
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
🚗 Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
🚗 How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
🚗 How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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