{"product_id":"detyi-dg508-coil-pack-sp479-iridium-spark-plugs-for-ford-4-6l-5-4l-v8-f-150-mustang-expedition","title":"DETYI DG508 Coil Pack + SP479 Iridium Spark Plugs for Ford 4.6L\/5.4L V8 (F-150, Mustang, Expedition)","description":"\u003ch2\u003eDETYI DG508 Coil Pack \u0026amp; SP479 Iridium Spark Plugs — Ford V8 Upgrade\u003c\/h2\u003e\n\u003cp\u003eUpgrade your Ford 4.6L or 5.4L V8 with a coordinated ignition refresh from DETYI. The DG508 coil pack and SP479 iridium spark plugs are designed to deliver a renewed ignition path, aiming for steadier starts, smoother acceleration, and more consistent engine operation across daily driving, highway runs, and occasional towing days. This set emphasizes durability and reliable spark delivery, built to withstand heat and vibration that come with demanding driving conditions.\u003c\/p\u003e\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e8 x DG508 ignition coils — engineered for heat resistance and reliable insulation, supporting consistent ignition across RPM ranges.\u003c\/li\u003e\n  \u003cli\u003e8 x SP479 iridium spark plugs — high-precision ignition elements designed for longer life and dependable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey benefits you may notice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eQuicker starts and smoother acceleration as fresh ignition paths reduce hesitation during cold starts and warm starts alike.\u003c\/li\u003e\n  \u003cli\u003eCleaner idle and more stable power delivery across varied driving conditions and load changes.\u003c\/li\u003e\n  \u003cli\u003ePotential gains in efficiency from a steadier, more consistent burn and fewer misfire events.\u003c\/li\u003e\n  \u003cli\u003eReduced rough-running symptoms in hot climates or during longer highway drives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility and fitment\u003c\/strong\u003e: Designed for Ford 4.6L and 5.4L V8 engines, this kit suits popular models including F-150, F-250, Expedition, Crown Victoria, Mustang, and Lincoln Navigator. It replaces older part numbers DG457, DG472, and DG491, providing a straightforward OEM replacement option.\u003c\/p\u003e\n\u003ch3\u003eDurability and installation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCoils feature premium materials with strong heat resistance and solid insulation to guard against cracking and misfiring.\u003c\/li\u003e\n  \u003cli\u003ePre-gapped plugs and coil boots are designed for a secure, snug fit without modifications, enabling a hassle-free installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world usage and notes\u003c\/h3\u003e\n\u003cp\u003eIn practice, this kit is positioned as a comprehensive renewal for aging ignition systems. Expect reliable starting performance, steadier throttle response, and smoother operation on both daily commutes and longer trips. As with any upgrade, results depend on the vehicle’s current condition and maintenance history.\u003c\/p\u003e\n\u003ch3\u003eWhy choose DETYI\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM-grade replacements crafted for Ford V8 compatibility and broad model coverage.\u003c\/li\u003e\n  \u003cli\u003eQuality materials and engineering aimed at long-term reliability across diverse climates.\u003c\/li\u003e\n  \u003cli\u003eOne complete package to refresh ignition components, helping simplify maintenance planning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Benefits can vary with vehicle condition and driving patterns. This kit offers a structured upgrade path that may help reclaim factory-like ignition performance rather than relying on aging components alone.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this DETYI DG508 + SP479 set fit my Ford V8?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—designed for Ford 4.6L\/5.4L V8s, including F-150, F-250, Expedition, Mustang, and Lincoln variants. Confirm exact year\/model for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What maintenance benefits can I expect from this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Refreshing ignition with new coils and plugs may yield smoother starts, steadier idle, and more consistent performance under varied driving conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DETYI","offers":[{"title":"Default Title","offer_id":42495091802197,"sku":"B0F3C9J8F5","price":93.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/detyi-dg508-ignition-coil-pack.jpg?v=1778671401","url":"https:\/\/plentytorque.co.uk\/products\/detyi-dg508-coil-pack-sp479-iridium-spark-plugs-for-ford-4-6l-5-4l-v8-f-150-mustang-expedition","provider":"PlentyTorque","version":"1.0","type":"link"}