{"product_id":"ngk-iridium-stock-heat-spark-plug-box-of-4-lztr5aix-13","title":"NGK 1-Step Colder Iridium Spark Plug: Fits Dodge \/ Chrysler \/ Jeep 5.7L Hemi (02-11)","description":"\u003ch3\u003eNGK 1-Step Colder Iridium Spark Plugs (Supercharged or Nitrous)\u003c\/h3\u003e\u003cp\u003e05-08 Chrysler \/ Dodge \/ Jeep 5.7L Hemi\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e2314\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNGK 1-Step Colder Iridium Spark Plugs are engineered for high-performance engines equipped with forced induction or nitrous. The colder heat range helps control combustion temperatures, reducing pre-ignition and detonation often associated with boosted setups. A fine 0.6mm iridium electrode provides a precise, concentrated spark for efficient combustion, cleaner burn, and improved throttle response under load.\n\nBuilt with NGK’s high-strength copper core and alumina ceramic insulator, these plugs deliver excellent heat transfer, durability, and stability at high RPM. Trivalent plating protects against corrosion and thread seizure, while triple-seal construction prevents gas leakage. The extended-projection design enhances flame travel, making these plugs ideal for aggressive performance tuning and demanding driving environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Step Colder Heat Range\u003c\/strong\u003e for boosted or nitrous-assisted engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine-Wire 0.6mm Iridium Electrode\u003c\/strong\u003e for stronger, more stable spark\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper Core\u003c\/strong\u003e ensures efficient heat dissipation and detonation resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended-Projection Design\u003c\/strong\u003e improves combustion efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlumina Ceramic Insulator\u003c\/strong\u003e provides strength and heat management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrivalent Anti-Corrosion Plating\u003c\/strong\u003e prevents seizing and rust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple-Seal Construction\u003c\/strong\u003e stops combustion gas leakage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistor Plug (5k Ohm)\u003c\/strong\u003e reduces electrical interference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGap:\u003c\/strong\u003e .050\" (1.3mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Range:\u003c\/strong\u003e 5\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTorque Specs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast Iron Heads: 10.8–18 lb-ft\u003c\/li\u003e\n\u003cli\u003eAluminum Heads: 7.2–14.5 lb-ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLongevity:\u003c\/strong\u003e Approx. 50,000 miles (performance use may vary)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Sold individually\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 60 days\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48092897673454,"sku":"2314","price":37.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1996\/5678\/files\/568c9cbdc55168bc1a4cce275b3f1ac8.jpg?v=1780363913","url":"https:\/\/www.ironridgeoffroad.com\/products\/ngk-iridium-stock-heat-spark-plug-box-of-4-lztr5aix-13","provider":"Iron Ridge Offroad","version":"1.0","type":"link"}