{"product_id":"autoexact-ignition-coil-iridium-spark-plug-kit-for-ford-4-6l-5-4l-8-pack-coils-pre-gapped-plugs-oe-fit","title":"autoexact Ignition Coil \u0026 Iridium Spark Plug Kit for Ford 4.6L\/5.4L — 8-Pack Coils \u0026 Pre-Gapped Plugs, OE-Fit","description":"\u003cp\u003e\u003cstrong\u003eAutoexact's complete ignition coil and iridium spark plug kit supplies eight OE-fit coil packs and eight fine-wire iridium plugs engineered to restore reliable spark performance for Ford 4.6L and 5.4L engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis all-in-one replacement kit is designed for direct fitment to many Ford, Lincoln, and Mercury models equipped with 4.6L or 5.4L V8 engines. Each kit includes pre-gapped iridium spark plugs and epoxy-potted coil packs that meet or exceed OEM build quality. The set aims to address common ignition symptoms like misfires, rough idle, hard starts, and decreased fuel efficiency while offering a DIY-friendly installation—saving you time and dealer costs.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this kit affect engine performance and fuel economy?\u003c\/h3\u003e\n\n\u003cp\u003eReplacing worn coils and plugs restores consistent high-voltage spark delivery, improving combustion efficiency across cylinders. That often yields smoother acceleration, reduced engine vibration, and better throttle response without other engine changes.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStronger, more consistent sparks from iridium plugs and epoxy-potted coils\u003c\/li\u003e\n  \u003cli\u003eImproved combustion reduces unburned fuel and rough running\u003c\/li\u003e\n  \u003cli\u003ePotential improvement in fuel efficiency and restored horsepower\u003c\/li\u003e\n  \u003cli\u003eTargets common diagnostic codes P0300–P0308 related to misfires\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these ignition coils and plugs fit my specific Ford model and year?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit is engineered as a direct OE-style replacement for a range of Ford, Lincoln, and Mercury vehicles using 4.6L or 5.4L engines. Always confirm your exact year, make, model, and engine before ordering to ensure correct fitment.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFits numerous Ford vehicles: F-150, Mustang, Crown Victoria, E-Series, F-250\/F-350, Expedition, and others listed by year\u003c\/li\u003e\n  \u003cli\u003eCompatible with Mercury Grand Marquis and Mountaineer, Lincoln Town Car and Navigator models noted\u003c\/li\u003e\n  \u003cli\u003eCross-referenced OE and replace numbers included for verification\u003c\/li\u003e\n  \u003cli\u003eDesigned for direct plug-and-play installation with no modification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the product specifics and installation details I should know?\u003c\/h3\u003e\n\n\u003cp\u003eEach kit contains eight iridium spark plugs pre-gapped and eight epoxy-sealed ignition coils. Components are pre-lubricated with dielectric grease where applicable and engineered for OEM torque specs to streamline DIY replacement.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncludes 8 ignition coil packs + 8 iridium spark plugs, pre-gapped (1.3 mm preset gap)\u003c\/li\u003e\n  \u003cli\u003ePlugs are fine-wire iridium rated for long life (typical service up to ~40,000 miles under normal driving)\u003c\/li\u003e\n  \u003cli\u003eCoils are epoxy-potted for heat resistance and tested for voltage output and sealing\u003c\/li\u003e\n  \u003cli\u003eRecommended fastening torque: 11.06 ft·lb (15 N·m); kit arrives with green dielectric grease applied\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow reliable is the kit and what warranty or support is offered?\u003c\/h3\u003e\n\n\u003cp\u003eAutoexact subjects each coil to quality and electrical testing to verify output and insulation. The kit is backed by a two-year warranty and lifetime technical support, giving you recourse if issues arise after installation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVoltage, insulation, and sealing tests performed on coils\u003c\/li\u003e\n  \u003cli\u003e2-year warranty coverage plus lifetime technical support\u003c\/li\u003e\n  \u003cli\u003eOE and replacement part numbers supplied for cross-referencing\u003c\/li\u003e\n  \u003cli\u003eImportant fitment note included: heat range compatibility clarified (range 5 or 6 interchangeable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Autoexact kit is intended for vehicle owners, fleet managers, and DIY mechanics who have Ford, Lincoln, or Mercury vehicles with 4.6L or 5.4L engines and want a comprehensive ignition refresh. It's ideal if you experience misfires, rough idle, reduced fuel economy, or illuminated check-engine codes, and prefer a direct-replacement, plug-and-play solution to avoid dealer labor.\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: Can I install this kit myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit is plug-and-play for compatible vehicles and requires basic hand tools and recommended torque 11.06 ft·lb (15 N·m).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these plugs pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The iridium spark plugs come pre-gapped to 1.3 mm for immediate installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"autoexact","offers":[{"title":"Default Title","offer_id":48080815784094,"sku":"B0G5Z4TPS7","price":109.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/autoexact-kit-front-packaging.jpg?v=1785788757","url":"https:\/\/northtrailauto.ca\/products\/autoexact-ignition-coil-iridium-spark-plug-kit-for-ford-4-6l-5-4l-8-pack-coils-pre-gapped-plugs-oe-fit","provider":"North Trail Auto","version":"1.0","type":"link"}