{"product_id":"ngk-iridium-ix-spark-plugs-bkr7eix-pack-of-4-0-6-mm-iridium-electrode-improved-ignition-durability","title":"NGK Iridium IX spark plugs BKR7EIX Pack of 4 — 0.6 mm Iridium electrode, improved ignition \u0026 durability","description":"\u003cstrong\u003eNGK 2667 BKR7EIX Iridium IX spark plugs are high-performance replacement plugs built with a 0.6 mm iridium center electrode and tapered ground electrode to deliver quicker ignition, stronger throttle response, and reduced fouling.\u003c\/strong\u003e\n\n\u003cp\u003eThese NGK Iridium IX plugs are engineered for drivers who want a reliable upgrade over standard plugs. The fine iridium core provides a concentrated, efficient spark while the tapered ground electrode and extended insulator nose help maintain clean combustion and dependable starting. Corrosion-resistant shell plating and multiple sealing features reduce the chance of seizing and gas leakage, making these plugs a durable choice for modern engines.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these plugs improve starting and acceleration?\u003c\/h3\u003e\n\u003cp\u003eThe thin iridium center electrode focuses the ignition energy into a smaller contact point, which promotes faster spark formation and more complete combustion. That translates to quicker cold starts and crisper throttle response under acceleration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0.6 mm iridium center electrode concentrates spark for faster ignition\u003c\/li\u003e\n  \u003cli\u003eTapered ground electrode enhances flame propagation for stronger power delivery\u003c\/li\u003e\n  \u003cli\u003eOptimized gap retention supports consistent performance over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these spark plugs resist fouling and last longer than standard plugs?\u003c\/h3\u003e\n\u003cp\u003eYes. The extended insulator nose prevents deposits from forming near the spark gap, while corrugated ribs on the insulator reduce flashover risk. The iridium alloy’s high melting point also improves wear resistance compared with conventional materials.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLonger insulator nose reduces carbon and oil fouling\u003c\/li\u003e\n  \u003cli\u003eCorrugated insulator ribs help stop flashover along the ceramic\u003c\/li\u003e\n  \u003cli\u003eIridium’s heat tolerance lowers erosion and prolongs service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protective features guard against corrosion and seizing?\u003c\/h3\u003e\n\u003cp\u003eNGK applies trivalent shell plating to the threads, which provides advanced anti-corrosive protection while minimizing the chance of the plug seizing in the cylinder head. A triple-gasket seal further prevents combustion gases from leaking, helping preserve torque and sealing integrity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTrivalent shell plating resists rust and thread galling\u003c\/li\u003e\n  \u003cli\u003eTriple gasket seal eliminates combustion gas leakage\u003c\/li\u003e\n  \u003cli\u003ePrecision machining ensures proper fit and thread engagement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know if these are the right plugs for my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThese NGK BKR7EIX plugs are vehicle-specific replacements; confirm fitment with your owner’s manual or an NGK application chart. They’re designed to match OEM reach and heat range for compatible engines while offering the performance benefits of an iridium electrode.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck NGK part compatibility for correct thread size and reach\u003c\/li\u003e\n  \u003cli\u003eCompare heat range and electrode design with factory plugs before purchase\u003c\/li\u003e\n  \u003cli\u003eSold as a pack of four for typical four-cylinder replacement jobs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These NGK Iridium IX BKR7EIX plugs suit drivers and DIY mechanics seeking a durable, higher-performing ignition solution—especially owners of vehicles that benefit from improved cold starts and enhanced throttle responsiveness. They are ideal for performance-conscious commuters, hobbyists maintaining older engines, and anyone replacing factory plugs with a long-lasting upgrade.\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 many spark plugs come in this NGK 2667 pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing includes four NGK 2667 BKR7EIX Iridium IX spark plugs, suitable for standard four-cylinder replacements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these plugs prevent corrosion and seizing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The plugs use trivalent shell plating to resist corrosion and reduce the chance of thread seizing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":67587167060153,"sku":"B006BV7Z4Q","price":98.42,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ngk-2667-bkr7eix-front-packaging.jpg?v=1790501211","url":"https:\/\/redleafauto.ca\/products\/ngk-iridium-ix-spark-plugs-bkr7eix-pack-of-4-0-6-mm-iridium-electrode-improved-ignition-durability","provider":"Redleaf Auto","version":"1.0","type":"link"}