{"product_id":"ngk-5266-laser-iridium-premium-spark-plugs-izfr6k-11s-4-pack","title":"NGK 5266 Laser Iridium Premium Spark Plugs IZFR6K-11S – 4 Pack","description":"\u003cdiv class=\"seo-copy\"\u003e\n  \u003ch2\u003eOverview\u003c\/h2\u003e\n  \u003cp\u003eNGK 5266 Laser Iridium Premium Spark Plugs arrive as a practical 4-pack, designed to deliver crisp ignition and long service life in a wide range of gasoline engines. The combination of advanced materials and thoughtful geometry aims to support reliable starts, stable idle, and smooth operation for everyday driving and light-duty use.\u003c\/p\u003e\n  \u003cp\u003eThe plug's construction highlights a laser-welded iridium center electrode tip that resists wear under repeated ignition events, paired with a platinum disc on the backside of the ground electrode to help extend life. A smaller tip diameter and the insulator’s protective features work together to help minimize wear and carbon buildup, supporting consistent performance over time.\u003c\/p\u003e\n\n  \u003ch3\u003eKey design features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eLaser welded Iridium center electrode tip for durable sparks\u003c\/li\u003e\n    \u003cli\u003ePlatinum disc on the ground electrode to help extend life\u003c\/li\u003e\n    \u003cli\u003eLonger insulator nose and corrugated ribs reduce carbon buildup and suppress misfires\u003c\/li\u003e\n    \u003cli\u003eTriple gasket seal to reduce combustion gas leakage\u003c\/li\u003e\n    \u003cli\u003eFaster starts and quicker throttle response when conditions allow\u003c\/li\u003e\n    \u003cli\u003eTrivalent Metal Plating for improved anti-corrosion and anti-seizing protection\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003ePractical benefits for daily driving\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eStable idle and consistent ignition across temperature changes\u003c\/li\u003e\n    \u003cli\u003eImproved cold starts and smoother engine feel on takeoff\u003c\/li\u003e\n    \u003cli\u003ePotential gains in efficiency and lower emissions through precise combustion\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhy choose NGK 5266 in IZFR6K-11S form\u003c\/h3\u003e\n  \u003cp\u003eThis 4-pack is a convenient option for maintenance intervals and ensures you replace worn plugs with a matched set. The design aims to support durable performance across miles, with materials chosen to resist corrosion and seizing. While results vary by vehicle and driving conditions, many drivers appreciate the balance of reliability, start performance, and fuel economy potential that these plugs are designed to offer.\u003c\/p\u003e\n\n  \u003cp\u003eTip: When replacing, ensure proper torque and clean threads, and consider installing all four plugs as a set to promote even wear and consistent engine behavior.\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: What engines are compatible with NGK 5266 IZFR6K-11S?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for engines that require IZFR6K-11S; verify compatibility with your vehicle manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I install these plugs to maximize performance?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Torque to factory spec, clean threads, and install the full set together for even wear.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":42492816949333,"sku":"B0CTNXPQ3L","price":61.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ngk-5266-laser-iridium-spark-plugs-izfr6k-11s-4pack.jpg?v=1778605230","url":"https:\/\/plentytorque.co.uk\/products\/ngk-5266-laser-iridium-premium-spark-plugs-izfr6k-11s-4-pack","provider":"PlentyTorque","version":"1.0","type":"link"}