{"product_id":"c6-corvette-ngk-iridium-ix-spark-plugs-ls3","title":"C6 Corvette NGK Iridium IX Spark Plugs - LS3","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/cca-9-99-shipping-performance-banner-v2.2.png?v=1784322136\" alt=\"CCA $9.99 shipping - Continental U.S.\" width=\"1458\" height=\"240\" style=\"display:block;width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eNGK Iridium IX TR5IX Spark Plugs for C6 Corvette LS3\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNGK Iridium IX TR5IX spark plugs\u003c\/strong\u003e, \u003cstrong\u003estock number 7397\u003c\/strong\u003e, fit the \u003cstrong\u003e2008–2013 C6 Corvette\u003c\/strong\u003e with the \u003cstrong\u003eLS3 6.2L engine\u003c\/strong\u003e in stock configuration. This offer includes \u003cstrong\u003eeight spark plugs supplied as two packs of four\u003c\/strong\u003e for a complete V8 plug service.\u003c\/p\u003e\n\u003cp\u003eFor a 6.2L LS3 C6, a full plug service means fitting the same replacement design in all eight cylinders. The fine iridium center tip supports a \u003cstrong\u003econsistent spark and resists wear\u003c\/strong\u003e, and the plated shell helps protect the threads when servicing the engine. This set brings the complete plug quantity together for owners maintaining their stock LS3 for everyday use or weekend drives.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK stock number:\u003c\/strong\u003e 7397; \u003cstrong\u003edesign code:\u003c\/strong\u003e TR5IX.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine-wire iridium center electrode:\u003c\/strong\u003e A durable firing tip designed to maintain a consistent spark.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull eight-plug quantity:\u003c\/strong\u003e Two manufacturer packs of four for one V8 engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark plugs only:\u003c\/strong\u003e Plug wires and ignition coils are separate components and are not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrivalent shell plating:\u003c\/strong\u003e Helps resist corrosion and supports removal at a later plug service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA matching set:\u003c\/strong\u003e Replace all eight plugs with the same Iridium IX design in one order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWear-resistant firing tip:\u003c\/strong\u003e Iridium supports stable ignition while resisting electrode wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear LS3 service selection:\u003c\/strong\u003e Match your 2008–2013 Base coupe or convertible to one complete plug order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS3 year range:\u003c\/strong\u003e This set fits the 2008–2013 C6 Corvette Base coupe and convertible with the 6.2L LS3. Confirm both the engine and model year when choosing your service parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory transmission choices:\u003c\/strong\u003e Manual and automatic LS3 cars use this same eight-plug offer. Transmission choice does not require a different quantity of plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck before fitting:\u003c\/strong\u003e Confirm TR5IX and 7397 on the plugs and packaging, then inspect the ceramic insulators and electrodes for damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation gap:\u003c\/strong\u003e Use 0.040 inch for this stock LS3 fitment. Measure every plug before installation; the supplied gap is not a substitute for the vehicle’s required setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the fine tip:\u003c\/strong\u003e Use a round-wire or pin gauge. Move only the ground electrode if adjustment is needed, without levering against the center tip. Ask a qualified installer before making a large adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry threads and correct torque:\u003c\/strong\u003e Do not add anti-seize or lubricant. Follow the vehicle tightening specification. An engine builder or tuner should confirm plug requirements for a modified engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #ff0000;\"\u003eCORVETTE COMPATIBILITY\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2008–2013 C6 Corvette Base\u003c\/li\u003e\n\u003cli\u003eCoupe and convertible\u003c\/li\u003e\n\u003cli\u003eLS3 6.2L engine, stock configuration\u003c\/li\u003e\n\u003cli\u003eManual and automatic transmissions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Buy from Custom Corvette Accessories?\u003c\/h3\u003e\n\u003cp\u003eAt Custom Corvette Accessories, we’re Corvette owners ourselves, and we offer \u003cstrong\u003eone-on-one customer service\u003c\/strong\u003e to help you choose parts for your car. Have a question about \u003cstrong\u003eNGK 7397 TR5IX Iridium IX spark plugs\u003c\/strong\u003e for your C6 Corvette LS3? Contact us for personal help before you order.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":67715053715693,"sku":"7397","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/ngk-iridium-ix-corvette-spark-plug.png?v=1791740597","url":"https:\/\/www.corvettepartsandaccessories.com\/products\/c6-corvette-ngk-iridium-ix-spark-plugs-ls3","provider":"Corvette Parts from Custom Corvette Accessories","version":"1.0","type":"link"}