{"product_id":"sixity-auto-ngk-iridium-ix-spark-plugs-for-ram-1500-5-7l-v8-2011-2021-16-piece-kit-iridium-tip-for-improved-throttle-response","title":"Sixity Auto NGK Iridium IX Spark Plugs for Ram 1500 5.7L V8 (2011-2021) — 16‑Piece Kit, Iridium Tip for Improved Throttle Response","description":"\u003cp\u003e\u003cstrong\u003eHigh-performance NGK Iridium IX spark plugs in a 16-piece set engineered to restore reliable ignition and improve combustion for Ram 1500 5.7L V8 models from 2011–2021.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese genuine NGK Iridium IX plugs are designed as direct-fit replacements for the HEMI 5.7L V8 in Ram 1500 trucks, offering durable construction and focused spark delivery that help reduce misfires and maintain throttle response. The iridium-tipped center electrode and precision-ground ground electrode work together for consistent ignitability over extended service intervals. Supplied by Sixity Auto, this 16-piece kit covers all cylinders and comes packaged for easy installation at home or in a professional shop.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these plugs affect everyday driving and throttle response?\u003c\/h3\u003e\n\u003cp\u003eNGK Iridium IX plugs sharpen the spark to promote more complete combustion with each ignition event, which can translate into smoother idle, more responsive throttle feel, and fewer hesitation episodes. Benefits will depend on engine condition, but many users notice improved low-end response after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSharper spark focus from iridium tip for consistent ignitions\u003c\/li\u003e\n  \u003cli\u003eReduced misfires under load and during acceleration\u003c\/li\u003e\n  \u003cli\u003eStable idle and quicker throttle pickup with properly gapped plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these a direct fit for my Ram 1500 5.7L V8 (2011–2021)?\u003c\/h3\u003e\n\u003cp\u003eYes — this 16-piece set matches the factory specifications for 5.7L HEMI engines across the listed model years, so you get the correct thread size, seat type, and reach for direct replacement without adapters. Always verify part numbers against your vehicle’s VIN or factory manual before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSold as a complete 16-plug set for all cylinders\u003c\/li\u003e\n  \u003cli\u003eDirect-fit threads and reach for the 5.7L HEMI engine family\u003c\/li\u003e\n  \u003cli\u003eCompliant with OEM torque and gap recommendations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long do NGK Iridium IX plugs typically last and what maintenance is needed?\u003c\/h3\u003e\n\u003cp\u003eIridium tips are engineered for extended service life compared with conventional plugs, helping them maintain a stable gap and reliable spark longer. Lifespan varies with driving patterns and engine health; inspect during routine tune-ups and replace according to vehicle service intervals or if misfires\/rough running occur.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium center electrode for longer service life than standard plugs\u003c\/li\u003e\n  \u003cli\u003eResistant to gap erosion for sustained spark efficiency\u003c\/li\u003e\n  \u003cli\u003eInspect during routine maintenance or when troubleshooting ignition issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation, and are special tools required?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable working on ignition systems: remove old plugs, check and set gaps if needed, and torque to the vehicle manufacturer’s spec. Use a quality spark-plug socket with a rubber insert or protector to avoid damaging the iridium tip and porcelain insulator.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse a torque wrench and the correct spark-plug socket for secure fitment\u003c\/li\u003e\n  \u003cli\u003eConfirm proper gap and thread engagement before final torque\u003c\/li\u003e\n  \u003cli\u003eFollow anti-seize and torque guidelines from NGK or your service manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? These NGK Iridium IX spark plugs from Sixity Auto are aimed at Ram 1500 owners, aftermarket technicians, and DIY mechanics who want a long-lasting, direct-fit ignition upgrade for 5.7L V8 engines from 2011–2021. If you need a complete 16-plug replacement kit that emphasizes reliable sparking, reduced misfires, and durable iridium construction for routine maintenance or performance-oriented tune-ups, this set is an appropriate choice.\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 plugs come pre-gapped for a Ram 1500 5.7L V8?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: NGK Iridium plugs are often close to spec but you should confirm and adjust the gap to your vehicle's recommended setting before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install these myself or need a mechanic?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A competent DIYer with a spark-plug socket and torque wrench can install them; use correct torque and follow safety precautions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sixity Auto","offers":[{"title":"Default Title","offer_id":48082847957150,"sku":"B082812TZC","price":244.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sixity-auto-front-packaging-ngk-iridium-ix.jpg?v=1785816198","url":"https:\/\/northtrailauto.ca\/products\/sixity-auto-ngk-iridium-ix-spark-plugs-for-ram-1500-5-7l-v8-2011-2021-16-piece-kit-iridium-tip-for-improved-throttle-response","provider":"North Trail Auto","version":"1.0","type":"link"}