{"product_id":"ultramindz-ignition-coils-spark-plugs-kit-for-ford-5-4l-4-6l-v8-f-150-expedition-explorer-lincoln-navigator","title":"Ultramindz Ignition Coils \u0026 Spark Plugs Kit for Ford 5.4L\/4.6L V8 — F-150, Expedition, Explorer, Lincoln Navigator","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eUpgrade your Ford family of V8 engines with the Ultramindz ignition coils and spark plugs kit. This 8-coil and 8-plug set is designed to align with common Ford 5.4L and 4.6L V8 applications from the late 2000s, including several F-Series trucks and sport models, plus select Lincoln and Mercury variants. The goal is to refresh ignition components that wear over time, delivering smoother starts and steadier engine performance when driving in day-to-day conditions.\u003c\/p\u003e\n\u003cp\u003eBy paraphrasing the data into a practical description, this kit emphasizes real-world use: a straightforward replacement for worn ignition parts that may contribute to misfires, rough idle, or reduced throttle response under load. It is presented as a potential upgrade in reliability and consistency, rather than a guaranteed result, and it invites you to consider the fitment as part of a broader maintenance plan for your Ford V8 lineup.\u003c\/p\u003e\n\n\u003ch2\u003eWhat’s included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e8 Ultramindz ignition coils that replace the referenced DG521 and FD509 parts\u003c\/li\u003e\n  \u003cli\u003e8 compatible spark plugs (SP509 family, including SP509X and related part numbers)\u003c\/li\u003e\n  \u003cli\u003eNotes on fitment and compatibility are provided to help you verify consumer expectations before install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility snapshot\u003c\/h2\u003e\n\u003cp\u003eThis kit covers Ford F-150 models with 4.6L V8 (2009–2010) and 5.4L V8 (2008–2010), F-250\/F-350 Super Duty 5.4L (2008–2010), Expedition 5.4L (2009–2014), Explorer 4.6L V8 (2008–2010), Explorer Sport Trac 4.6L (2008–2010), Mustang 4.6L (2008–2010), plus Lincoln Navigator 5.4L (2008–2014) and Mercury Mountaineer 4.6L (2008–2010).\u003c\/p\u003e\n\n\u003ch2\u003eImportant notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAttention: Color of coil boots may vary; if your 2008 model originally used Brown Boots, this kit is compatible.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is highly recommended to ensure proper seating and electrical connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy consider Ultramindz\u003c\/h2\u003e\n\u003cp\u003ePotential benefits you might notice after a successful replacement include steadier idle, more consistent spark delivery, and improved engine response under typical driving conditions. These are possibilities to assess as part of routine maintenance rather than guaranteed outcomes.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to know before you buy\u003c\/h2\u003e\n\u003cp\u003eOEM references, installation care, and model coverage are outlined to help you determine if this kit aligns with your vehicle’s needs. Pairing this kit with a proper diagnostic check can help you plan a maintenance schedule that suits your driving habits.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which models and years does this kit cover?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Ford F-150 (4.6L 2009–2010; 5.4L 2008–2010), F-250\/F-350 SD (5.4L 2008–2010), Expedition (2009–2014), Explorer\/Mustang (4.6L 2008–2010), Lincoln Navigator (2008–2014), Mercury Mountaineer (2008–2010).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included and installation notes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes 8 ignition coils and 8 SP509 plugs; OEM numbers DG521\/FD509\/HJFS-24FP-X\/SP509. Professional installation is recommended to ensure proper fit and function.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ultramindz","offers":[{"title":"Default Title","offer_id":42464792576085,"sku":"B0D7GR1BC1","price":107.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ultramindz-ignition-coils-pack-closeup-ford-5-4l-v8.jpg?v=1777989908","url":"https:\/\/plentytorque.co.uk\/products\/ultramindz-ignition-coils-spark-plugs-kit-for-ford-5-4l-4-6l-v8-f-150-expedition-explorer-lincoln-navigator","provider":"PlentyTorque","version":"1.0","type":"link"}