High-Performance Iridium Spark Plugs: Includes SP479 iridium spark plugs that offer superior ignition performance, enhanced durability, and longer lifespan compared to standard copper or platinum plugs. Ideal for maximizing fuel efficiency and engine power.
Complete Tune-Up Solution: This set includes 8 DG508 ignition coils and 8 SP479 iridium spark plugs—perfect for a full ignition system refresh. A cost-effective way to restore smooth engine operation and eliminate misfires.
Wide Compatibility: Designed for Ford 4.6L and 5.4L V8 engines, compatible with popular models like F-150, F-250, Expedition, Crown Victoria, Mustang, Lincoln Navigator, and more. Replaces part numbers DG457, DG472, DG491.
Durable and Heat-Resistant Build: Coils are constructed from premium materials with strong heat resistance and insulation to prevent cracking and misfiring. Spark plugs maintain stable spark under extreme conditions for longer engine life.
Easy Installation, Perfect Fit: Engineered for quick, hassle-free installation. Each component is a direct OEM replacement with pre-gapped plugs and coil boots designed for secure, snug fit without the need for modification.
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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