{"product_id":"ngk-laser-iridium-spark-plug-iztr5b11-8-pack-fine-wire-iridium-long-life","title":"NGK Laser Iridium Spark Plug IZTR5B11 8-Pack — Fine-Wire Iridium, Long Life","description":"\u003cp\u003e\u003cstrong\u003eNGK 1465 Laser Iridium Spark Plug IZTR5B11 (8 pack) is a premium iridium ignition plug engineered for longer life, stable firing, and reduced carbon fouling in compatible engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis genuine NGK eight-pack contains Laser Iridium spark plugs built to withstand a wider heat range than conventional plugs while resisting deposits and pre-ignition. Each plug features NGK’s fine-wire iridium center electrode and advanced sealing to promote consistent combustion and durable performance across daily driving and spirited use. The IZTR5B11 is designed to be a direct replacement where this part number is specified, offering predictable gap stability and reliable starts.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these NGK Laser Iridium plugs improve ignition reliability?\u003c\/h3\u003e\n\n\u003cp\u003eThe iridium-tipped center electrode delivers a stronger, more focused spark with slower wear than standard copper or platinum tips, which helps maintain consistent ignition over many miles. NGK’s materials and construction reduce electrode erosion and preserve the factory gap, so engine operation remains steady between service intervals.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFine iridium center electrode for long-term spark stability\u003c\/li\u003e\n  \u003cli\u003eSmoother ignition under varying loads and temperatures\u003c\/li\u003e\n  \u003cli\u003eReduced gap erosion for fewer misfires and steadier idle\u003c\/li\u003e\n  \u003cli\u003eIntended as direct replacement where IZTR5B11 is specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat design features fight carbon buildup and combustion leaks?\u003c\/h3\u003e\n\n\u003cp\u003eThese plugs resist deposit formation with materials and geometry that discourage carbon accumulation on the firing end. NGK’s patented triple gasket sealing process prevents combustion gases from escaping around the plug base, maintaining compression integrity and minimizing leak-related performance issues.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eConstruction limits carbon and soot adherence to the electrode\u003c\/li\u003e\n  \u003cli\u003eTriple gasket seal eliminates combustion gas leakage risks\u003c\/li\u003e\n  \u003cli\u003eHeat-range tuning helps burn off deposits across wider conditions\u003c\/li\u003e\n  \u003cli\u003eCleaner spark surfaces support consistent fuel burn\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these plugs work across different operating temperatures?\u003c\/h3\u003e\n\n\u003cp\u003eThe Laser Iridium design is specified to operate over a broader heat range than many ordinary plugs, allowing it to perform reliably in both cooler starts and hotter running conditions. That flexibility reduces the risk of fouling in low-temperature use while minimizing pre-ignition or overheating at high engine loads.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWider operational heat range than standard plugs\u003c\/li\u003e\n  \u003cli\u003eLess prone to fouling during short trips and cold starts\u003c\/li\u003e\n  \u003cli\u003eReduced pre-ignition tendency under high-heat conditions\u003c\/li\u003e\n  \u003cli\u003eSuitable for varied driving and environmental scenarios\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does packaging and service life benefit DIYers and shops?\u003c\/h3\u003e\n\n\u003cp\u003eThis listing supplies an 8-pack of genuine NGK Laser Iridium 1465 IZTR5B11 plugs, ideal for multi-cylinder engines or bulk servicing. Buying an OEM-quality multi-pack saves time replacing all plugs during tune-ups and ensures a matched set, which helps keep engine performance balanced.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eEight genuine NGK plugs for full-bank replacement or spare stock\u003c\/li\u003e\n  \u003cli\u003eMatching parts avoid cross-compatibility confusion during service\u003c\/li\u003e\n  \u003cli\u003eLonger electrode life reduces replacement frequency and labor\u003c\/li\u003e\n  \u003cli\u003eEach plug retains factory gap and sealing for reliable installs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Automotive owners, independent mechanics, and repair shops looking for OEM-quality spark plugs to maintain or restore ignition performance. Choose the NGK 1465 Laser Iridium IZTR5B11 (8 pack) when you need a durable, deposit-resistant spark plug that covers a broad heat range and provides consistent firing across multiple cylinders and miles.\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: Are these NGK IZTR5B11 plugs a direct replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the NGK 1465 IZTR5B11 is a direct-fit replacement where that part number is specified.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many plugs are included and who should buy the pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing contains eight plugs, ideal for full-bank swaps or shops stocking replacements for multiple vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48082374328478,"sku":"B00PMEMPM0","price":115.88,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-1465-front-packaging.jpg?v=1785811116","url":"https:\/\/northtrailauto.ca\/products\/ngk-laser-iridium-spark-plug-iztr5b11-8-pack-fine-wire-iridium-long-life","provider":"North Trail Auto","version":"1.0","type":"link"}