{"product_id":"ngk-iridium-ix-spark-plug-lkr7dix-11s-4-pack-0-6mm-iridium-tip-5-kω-resistor","title":"NGK Iridium IX Spark Plug LKR7DIX-11S 4-Pack — 0.6mm Iridium Tip, 5 KΩ Resistor","description":"\u003cp\u003e\u003cstrong\u003eNGK LKR7DIX-11S Iridium IX Spark Plug (93175) is a high-performance iridium spark plug engineered for improved ignitability, durability, and throttle response in modern engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you want a replacement spark plug that targets performance-oriented driving without changing ignition systems, this NGK Iridium IX 4-pack provides a reliable option. Built with a 0.6 mm laser-welded iridium center electrode and a tapered ground electrode, these plugs are designed to produce a stable, concentrated spark while resisting wear at high temperatures. The set of four is ideal for four-cylinder engines or keeping spares on hand for routine maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this spark plug improve starting and throttle response?\u003c\/h3\u003e\n\u003cp\u003eThe fine 0.6 mm iridium tip delivers a focused spark that requires less voltage to ignite the air–fuel mixture, which can translate to crisper starts and quicker throttle transition. The tapered ground electrode reduces quenching so more of the spark energy contributes to combustion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLaser-welded 0.6 mm iridium tip for concentrated spark\u003c\/li\u003e\n  \u003cli\u003eTapered ground electrode to minimize quenching\u003c\/li\u003e\n  \u003cli\u003eStable spark across a wider rpm range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat construction features boost longevity and reliability?\u003c\/h3\u003e\n\u003cp\u003eIridium alloy’s very high melting point and wear resistance help the electrode retain its shape longer under heat and electrical stress. NGK also uses a triple gasket seal to prevent combustion gas leakage and trivalent metal plating to resist corrosion and seizing during service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium alloy center electrode for high-temperature durability\u003c\/li\u003e\n  \u003cli\u003eTriple gasket seal prevents combustion gas leakage\u003c\/li\u003e\n  \u003cli\u003eTrivalent metal plating reduces corrosion and eases removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there design details that reduce misfires or flashover?\u003c\/h3\u003e\n\u003cp\u003eThe extended insulator combined with corrugated ribs reduces the chance of flashover (surface arcing) along the porcelain. A 5 KΩ resistor is built into the plug to suppress electrical interference with vehicle electronics while promoting consistent firing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLonger insulator with corrugated ribs to prevent flashover\u003c\/li\u003e\n  \u003cli\u003eIntegrated 5 KΩ resistor for EMI suppression\u003c\/li\u003e\n  \u003cli\u003eTightly controlled manufacturing tolerances for consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and sizing details should I expect?\u003c\/h3\u003e\n\u003cp\u003eThis NGK LKR7DIX-11S comes with a standard 5\/8 inch (16 mm) hex size for use with common spark plug sockets. It ships as a 4-pack so you can service all cylinders on many four-cylinder vehicles or keep a spare set for regular maintenance intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHex size: 5\/8 inch (compatible with common sockets)\u003c\/li\u003e\n  \u003cli\u003eResistor value: 5 KΩ for ignition noise reduction\u003c\/li\u003e\n  \u003cli\u003eSold as a 4-pack—convenient for four-cylinder engines or spare parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Drivers and DIY mechanics who prioritize reliable spark performance and long service life—especially owners of performance-tuned or modern engines—will benefit from NGK’s Iridium IX technology. If you need a durable upgrade that focuses on ignitability, consistent spark delivery, and corrosion resistance, the NGK LKR7DIX-11S 4-pack is a practical choice. Always verify the plug gap and vehicle fitment before installation and follow the manufacturer’s torque recommendations.\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: Is NGK LKR7DIX-11S compatible with my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your vehicle’s spark plug specifications and cross-reference NGK part number 93175; verify thread size, reach, and heat range match.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should these iridium plugs be replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Iridium plugs typically last longer—follow your vehicle maker’s recommended service interval, often 60,000–100,000 miles, or inspect regularly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48083163054238,"sku":"B07FP6KFLT","price":55.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-lkr7dix-11s-front-packaging.jpg?v=1785827246","url":"https:\/\/northtrailauto.ca\/products\/ngk-iridium-ix-spark-plug-lkr7dix-11s-4-pack-0-6mm-iridium-tip-5-k%cf%89-resistor","provider":"North Trail Auto","version":"1.0","type":"link"}