{"product_id":"sykrss-ignition-coil-and-iridium-spark-plug-kit-for-5-7l-hemi-v8-8-coils-16-iridium-plugs-direct-fit-2008-2017","title":"SYKRSS Ignition Coil and Iridium Spark Plug Kit for 5.7L HEMI V8 — 8 Coils \u0026 16 Iridium Plugs, Direct-Fit (2008–2017)","description":"\u003cp\u003e\u003cstrong\u003eComplete drop-in ignition kit: eight replacement coils plus sixteen premium iridium spark plugs engineered to restore ignition performance for 5.7L HEMI V8 vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Dodge, Chrysler, Jeep or Ram equipped with a 5.7L HEMI is showing rough idle, reduced throttle response, or a persistent check engine light, replacing worn coils and plugs often returns smooth running and consistent power. This SYKRSS kit installs without modifications and includes parts pre-gapped and matched to factory fitment standards so you can replace all cylinders at once.\u003c\/p\u003e\n\n\u003ch3\u003eWill this kit fit my 5.7L HEMI model?\u003c\/h3\u003e\n\u003cp\u003eCompatibility covers many 5.7L HEMI vehicles from 2008–2017, but exact fit depends on the production engine code. You can verify fit by checking the 8th digit of your VIN (engine codes like EZH or ESB indicate compatibility), or send us your VIN and we’ll confirm for free.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Dodge Challenger (2009–2016), Charger (2009–2017), Durango (2008–2015)\u003c\/li\u003e\n  \u003cli\u003eFits Ram 1500\/2500\/3500 (2011–2017), Jeep Grand Cherokee (2008–2017)\u003c\/li\u003e\n  \u003cli\u003eAlso fits Chrysler 300 (2009–2017) and Aspen (2008–2009)\u003c\/li\u003e\n  \u003cli\u003eFree VIN check available—message your VIN for fast verification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these coils and plugs improve engine behavior?\u003c\/h3\u003e\n\u003cp\u003eThe coils use heavy-duty materials and the spark plugs feature ultra-fine iridium tips for a stronger, more focused spark. Together they reduce misfires, smooth idle, and improve throttle response compared with worn factory components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSilicon-steel cores and high-pressure boots resist heat and cracking\u003c\/li\u003e\n  \u003cli\u003eJapan- and Germany-sourced materials for electrical stability and durability\u003c\/li\u003e\n  \u003cli\u003eIridium tips provide a hotter, more efficient spark for combustion\u003c\/li\u003e\n  \u003cli\u003eFull-set replacement eliminates cylinder-to-cylinder inconsistencies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this a direct replacement and easy to install at home?\u003c\/h3\u003e\n\u003cp\u003eYes — the kit is manufactured as a direct replacement for OEM coil and plug part numbers like UF504 and LZFR5CI-11, pre-gapped to factory specs. Basic hand tools and about 40 minutes are enough for a full swap on most models, and the box includes a simple installation guide.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-replace coils for part numbers UF504, 56029129AA\/AB\/AF and more\u003c\/li\u003e\n  \u003cli\u003eSpark plugs pre-gapped to factory specifications (LZFR5CI-11 equivalent)\u003c\/li\u003e\n  \u003cli\u003eComplete kit: 8 coils + 16 spark plugs + installation guide\u003c\/li\u003e\n  \u003cli\u003eEstimated DIY install time ~40 minutes with basic tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability and coverage can I expect?\u003c\/h3\u003e\n\u003cp\u003eComponents are built to exceed common factory durability with robust insulation and premium internals to withstand heat and voltage stress. The kit also ships with a one-year standard protection plan to cover manufacturing defects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-grade epoxy, reinforced boots and premium wire for longevity\u003c\/li\u003e\n  \u003cli\u003eEngineered to prevent voltage leaks and boot cracking under load\u003c\/li\u003e\n  \u003cli\u003eOne-year standard coverage included for added confidence\u003c\/li\u003e\n  \u003cli\u003eReplaces all cylinders at once to prevent recurring misfire issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This SYKRSS ignition kit is for owners of 5.7L HEMI Dodge, Ram, Jeep, Chrysler and related vehicles who want a full, hassle-free replacement of ignition coils and spark plugs. It's especially useful if you’re experiencing misfires, rough idle, reduced acceleration, or a check engine light tied to ignition components and prefer a complete set that installs quickly at home or by a shop.\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: Do these coils fit my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit many 5.7L HEMI models (2008–2017); message your VIN for a free, exact-fit check.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the spark plugs pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — plugs arrive pre-gapped to factory specifications for direct installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SYKRSS","offers":[{"title":"Default Title","offer_id":48082843074718,"sku":"B0DDKX6C94","price":189.78,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sykrss-front-packaging-coils-plugs.jpg?v=1785815954","url":"https:\/\/northtrailauto.ca\/products\/sykrss-ignition-coil-and-iridium-spark-plug-kit-for-5-7l-hemi-v8-8-coils-16-iridium-plugs-direct-fit-2008-2017","provider":"North Trail Auto","version":"1.0","type":"link"}