{"product_id":"sparkwhiz-dg508-ignition-coil-pack-sp479-iridium-spark-plug-set-pack-of-8-high-energy-coils-long-life-iridium","title":"SPARKWHIZ DG508 Ignition Coil Pack \u0026 SP479 Iridium Spark Plug Set, Pack of 8 — High‑Energy Coils, Long‑Life Iridium","description":"\u003cp\u003e\u003cstrong\u003eSPARKWHIZ DG508 coil pack and SP479 iridium spark plug set is a complete eight‑cylinder ignition upgrade designed to restore reliable spark delivery and help engines run smoother under load.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit combines eight DG508 high‑energy ignition coils with eight SP479 iridium spark plugs to replace worn OE components in compatible vehicles. The components are engineered for higher output, enhanced durability, and straightforward installation so you can address misfires, rough idle, or sluggish throttle response without chasing individual parts. Each coil uses heavy‑gauge copper windings, a thick silicone boot, and a ferrite‑cored stainless spring for stable performance, while the iridium plugs offer a long service life and consistent ignition characteristics.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these coils and plugs improve engine performance?\u003c\/h3\u003e\n\u003cp\u003eThe DG508 coils deliver roughly 18.9% more energy than typical original equipment units, providing a stronger, more consistent spark. The SP479 iridium plugs maintain stable firing over many miles, lowering the chance of misfires and inefficient combustion. Together they help the engine run more responsively, especially under acceleration and electrical load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher coil output for a more reliable spark across cylinders\u003c\/li\u003e\n  \u003cli\u003eIridium electrode plugs resist wear and hold gap longer\u003c\/li\u003e\n  \u003cli\u003eReduced misfire risk during load or high RPMs\u003c\/li\u003e\n  \u003cli\u003eBalanced ignition across all eight cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these parts durable and suitable for harsh conditions?\u003c\/h3\u003e\n\u003cp\u003eYes — the coil pack is built with high‑grade copper wire and a thick silicone boot to resist heat and oil exposure. A stainless steel spring with a ferrite core aids longevity and consistent conductivity. The iridium tip on the plugs is much harder than conventional materials, extending service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy copper windings for sustained electrical performance\u003c\/li\u003e\n  \u003cli\u003eSilicone boots resist cracking and dielectric breakdown\u003c\/li\u003e\n  \u003cli\u003eFerrite core reduces electromagnetic interference and improves stability\u003c\/li\u003e\n  \u003cli\u003eIridium electrodes for extended wear life and reliable gaps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with basic engine maintenance: remove the old coils and plugs, fit the new plugs to the correct gap, then install the coils. The set ships with instructions, and dielectric grease is recommended at the boot to ensure a secure seal. If a coil doesn’t match your vehicle’s connector, contact the seller for guidance or replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow enclosed instructions and torque specs for plugs\u003c\/li\u003e\n  \u003cli\u003eUse dielectric grease on boots to prevent moisture and arcing\u003c\/li\u003e\n  \u003cli\u003eVerify connector type before final installation\u003c\/li\u003e\n  \u003cli\u003eSpares provided as a full set for all eight cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and compatibility information should I know?\u003c\/h3\u003e\n\u003cp\u003eThis eight‑pack carries a two‑year or 24,000‑mile warranty covering defects or premature failure; contact SPARKWHIZ for replacement within the warranty window. The listing includes multiple compatible part numbers to help confirm fitment—always double‑check against your vehicle’s OEM numbers or service manual before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2 year \/ 24,000 mile limited warranty for replacement\u003c\/li\u003e\n  \u003cli\u003eIncludes many cross‑reference part numbers for fit checks\u003c\/li\u003e\n  \u003cli\u003eSold as a complete set for eight cylinders to ensure matched performance\u003c\/li\u003e\n  \u003cli\u003eCustomer support available for fitment questions or returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: drivers and home mechanics who need a full, matched ignition refresh for V8 or eight‑cylinder engines seeking improved starting, smoother idle, and reduced misfires. It’s ideal for owners replacing aging coils and plugs at scheduled service intervals or addressing intermittent ignition faults, and for shop technicians who prefer a single compatible kit to service all cylinders quickly.\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 kit fit my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compare the included compatible part numbers with your vehicle’s OEM numbers or service manual; contact SPARKWHIZ if you need help confirming fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long is the warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The set includes a two‑year or 24,000‑mile warranty against defects, with replacement available through SPARKWHIZ support.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SPARKWHIZ","offers":[{"title":"Default Title","offer_id":48081337122974,"sku":"B09RZHG6SJ","price":94.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sparkwhiz-dg508-front-packaging.jpg?v=1785799725","url":"https:\/\/northtrailauto.ca\/products\/sparkwhiz-dg508-ignition-coil-pack-sp479-iridium-spark-plug-set-pack-of-8-high-energy-coils-long-life-iridium","provider":"North Trail Auto","version":"1.0","type":"link"}