{"product_id":"ngk-laser-iridium-spark-plugs-iztr5b11-8-pack-fine-iridium-tips-long-life-performance","title":"NGK Laser Iridium Spark Plugs IZTR5B11 8-Pack — Fine Iridium Tips, Long-Life Performance","description":"\u003cp\u003e\u003cstrong\u003eNGK 1465 Laser Iridium Spark Plug IZTR5B11 (8 Pack) is a premium iridium ignition plug built for long life, consistent sparks, and improved combustion stability.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese genuine NGK Laser Iridium plugs come as a set of eight (part number 1465 \/ IZTR5B11) engineered for a wider operating heat range and resistance to carbon fouling. The fine iridium center electrode, combined with a patented triple gasket sealing process, helps maintain a tight combustion seal and steady performance across varied driving conditions. They’re intended as direct-replacement ignition components for compatible engines where NGK specifies this plug type.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these plugs improve ignition reliability?\u003c\/h3\u003e\n\n\u003cp\u003eLaser-welded iridium tips provide a smaller, harder electrode that produces a more focused spark, helping maintain consistent ignition over time. The design reduces electrode erosion and helps maintain optimal spark geometry, which supports repeatable combustion events.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine iridium center electrode for stable spark delivery\u003c\/li\u003e\n  \u003cli\u003eLaser-welded construction for long-term durability\u003c\/li\u003e\n  \u003cli\u003eResists carbon buildup to preserve spark efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the NGK Laser Iridium different from standard plugs?\u003c\/h3\u003e\n\n\u003cp\u003eCompared with conventional nickel plugs, laser iridium plugs use a much finer precious-metal tip and advanced sealing to extend service intervals and improve consistency. They’re designed to operate across a broader heat range, reducing the chance of fouling or pre-ignition under many driving scenarios.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium tip outlasts typical nickel electrodes\u003c\/li\u003e\n  \u003cli\u003eWider heat range reduces risk of fouling or overheating\u003c\/li\u003e\n  \u003cli\u003eTriple gasket seal prevents combustion gas leakage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain these NGK plugs?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation follows the same basic steps as other spark plugs: confirm correct gap (if required), thread in by hand to avoid cross-threading, and torque to the vehicle manufacturer’s specification. Periodic inspection for electrode wear or deposit buildup is recommended; replace plugs as part of scheduled maintenance or when performance declines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify OEM gap and torque specs before final tightening\u003c\/li\u003e\n  \u003cli\u003eHand-start threads then use a torque wrench to spec\u003c\/li\u003e\n  \u003cli\u003eInspect for deposits and wear at recommended intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these plugs fit my vehicle and what does the 8-pack include?\u003c\/h3\u003e\n\n\u003cp\u003eThe listing contains eight genuine NGK Laser Iridium plugs, model IZTR5B11 (NGK part 1465). Fitment depends on your engine’s thread, reach, and heat range requirements—always cross-reference your vehicle’s parts list or NGK’s catalog to confirm compatibility before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContains eight NGK Laser Iridium IZTR5B11 (1465) plugs\u003c\/li\u003e\n  \u003cli\u003eCheck NGK catalog or vehicle manual for fitment confirmation\u003c\/li\u003e\n  \u003cli\u003eSold as OEM-grade replacements for compatible engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These NGK 1465 Laser Iridium spark plugs suit owners, mechanics, and performance-minded drivers who want a long-lasting, OEM-quality ignition solution in multi-plug quantities. Choose this 8-pack when you need consistent ignition across a multi-cylinder engine, seek longer service life than standard plugs, and prefer NGK’s established engineering and sealing technology.\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: How long do NGK Laser Iridium plugs typically last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Iridium plugs often last significantly longer than standard plugs; expect extended service life, but follow vehicle maintenance intervals and NGK recommendations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these plugs pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: NGK often ships plugs pre-gapped, but always verify the gap and adjust to your vehicle manufacturer’s specification before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":67585085341881,"sku":"B00PMEMPM0","price":173.32,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ngk-laser-iridium-front-view.jpg?v=1790466676","url":"https:\/\/redleafauto.ca\/products\/ngk-laser-iridium-spark-plugs-iztr5b11-8-pack-fine-iridium-tips-long-life-performance","provider":"Redleaf Auto","version":"1.0","type":"link"}