{"product_id":"belkebir-8-piece-ignition-coils-spark-plugs-for-5-4l-v8-ford-expedition-f-150-f-250-f-350-lincoln-navigator-dg511-fd508-sp546","title":"BELKEBIR 8-Piece Ignition Coils \u0026 Spark Plugs for 5.4L V8 Ford Expedition, F-150, F-250, F-350, Lincoln Navigator (DG511\/FD508\/SP546)","description":"\u003cdiv\u003e\n  \u003ch2\u003eEnhanced ignition kit for Ford and Lincoln 5.4L V8\u003c\/h2\u003e\n  \u003cp\u003eThe BELKEBIR 8-piece set brings together DG511 and FD508 ignition coils with SP546 iridium spark plugs, designed to revitalize the firing sequence of 5.4L V8 powertrains. This kit targets generations from 2004 through 2008 for models including Expedition, F-150, F-250, F-350, Lincoln Navigator, and Lincoln Mark LT, ensuring a straight black boot configuration compatible with the intended engines.\u003c\/p\u003e\n  \u003cp\u003eEngineered to mirror original factory performance, these parts support predictable ignition energy and stable spark across a wide range of temperatures. By restoring the spark-to-piston timing, you may notice smoother idle, more confident starts, and steadier throttle response in everyday driving.\u003c\/p\u003e\n  \u003ch3\u003eWhat’s included and who it fits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eIgnition coils: DG511, FD508 plus reference numbers to match OEM specs\u003c\/li\u003e\n    \u003cli\u003eSpark plugs: SP546 or SP546X, designed with Iridium electrodes for durability\u003c\/li\u003e\n    \u003cli\u003eTarget vehicles: 2004-2008 Ford F-150, Expedition; 2005-2008 F-250\/F-350; 2005-2008 Lincoln Navigator; 2006-2008 Lincoln Mark LT\u003c\/li\u003e\n    \u003cli\u003eBoot style: Straight black boots to align with compatible coil packs\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eWhy choose BELKEBIR for your 5.4L V8\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePowerful ignition performance aims to improve acceleration feel and overall engine response\u003c\/li\u003e\n    \u003cli\u003ePremium iridium spark plugs deliver wear resistance for longer service life\u003c\/li\u003e\n    \u003cli\u003eDirect OEM replacement design supports quick plug-and-play installation\u003c\/li\u003e\n    \u003cli\u003eConceived to meet or exceed OEM specs, providing a hassle-free swap in many applications\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eTips for installation and care: disconnect the battery, work on a cool engine, and follow torque specifications from your service manual. After installation, run the engine to verify smooth idle and consistent revs. This kit is about restoration and reliability, not a guaranteed outcome—results vary with vehicle condition and maintenance history.\u003c\/p\u003e\n  \u003cp\u003eWith BELKEBIR, you get a comprehensive, single-source replacement option that aligns with your 5.4L V8’s ignition needs. While this description highlights potential improvements in start-up and drive quality, actual results depend on your specific vehicle and driving conditions. Consider this kit as a practical upgrade that can help keep your engine running smoothly.\u003c\/p\u003e\n\u003c\/div\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: Which vehicles work with this BELKEBIR kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for 5.4L V8 Ford and Lincoln models listed, check your engine and boot type for straight black boots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is installation quick and easy?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it uses a plug-and-play layout that matches OEM specifications for straightforward replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BELKEBIR","offers":[{"title":"Default Title","offer_id":42465997455445,"sku":"B0F8H24YGY","price":109.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/belkebir-ignition-coils-dg511-fd508.jpg?v=1778032848","url":"https:\/\/plentytorque.co.uk\/products\/belkebir-8-piece-ignition-coils-spark-plugs-for-5-4l-v8-ford-expedition-f-150-f-250-f-350-lincoln-navigator-dg511-fd508-sp546","provider":"PlentyTorque","version":"1.0","type":"link"}