{"product_id":"c6-corvette-z06-ngk-iridium-ix-spark-plugs-ls7","title":"C6 Corvette Z06 NGK Iridium IX Spark Plugs - LS7","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 TR6IX Spark Plugs for C6 Corvette Z06 LS7\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNGK Iridium IX TR6IX spark plugs\u003c\/strong\u003e, \u003cstrong\u003estock number 3689\u003c\/strong\u003e, fit the \u003cstrong\u003e2006-2013 C6 Corvette Z06\u003c\/strong\u003e with the \u003cstrong\u003eLS7 7.0L engine\u003c\/strong\u003e. This offer includes \u003cstrong\u003eeight spark plugs supplied as two packs of four\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eKeep your LS7 plug service consistent with eight matching Iridium IX plugs. The fine iridium center tip supports a \u003cstrong\u003estable spark and resists electrode wear\u003c\/strong\u003e, so you can replace the full set on your Z06 rather than mix individual plug designs. For a scheduled Z06 service, that means choosing one plug design across the engine while keeping the existing coil-and-wire arrangement. Check the condition of those separate ignition components as part of your service planning.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK stock number:\u003c\/strong\u003e 3689; \u003cstrong\u003edesign code:\u003c\/strong\u003e TR6IX.\u003c\/li\u003e\n\u003cli\u003eIridium fine-wire center electrode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEight spark plugs:\u003c\/strong\u003e two packs of four.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark plugs only;\u003c\/strong\u003e plug wires and ignition coils are not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread protection:\u003c\/strong\u003e Trivalent metal plating helps protect the steel shell against corrosion and supports plug removal during later service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete V8 quantity:\u003c\/strong\u003e One order supplies all eight replacement plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable spark:\u003c\/strong\u003e The fine iridium tip supports consistent ignition and resists electrode wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-friendly shell:\u003c\/strong\u003e Corrosion-resistant plating helps protect the threads and assists removal when your Z06 is due for its next plug service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact fitment:\u003c\/strong\u003e 2006–2013 C6 Corvette Z06 coupe with the 7.0L LS7 engine in stock configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore installation:\u003c\/strong\u003e Check that the replacement plugs and their packaging identify TR6IX, stock number 3689. Inspect the ceramic and electrodes for damage before starting the LS7 service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService information:\u003c\/strong\u003e Keep the TR6IX part identification with your Z06 maintenance records, together with the date and mileage of the replacement. Follow the vehicle’s applicable maintenance guidance for future inspections.\u003c\/li\u003e\n\u003cli\u003eConfirm the \u003cstrong\u003einstallation gap and tightening specification\u003c\/strong\u003e for your exact vehicle. Do not assume the plug's supplied gap is the required setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle the fine tip carefully:\u003c\/strong\u003e Measure with a round-wire or pin gauge. If adjustment is required, move only the ground electrode; do not lever against the iridium center tip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall on dry threads:\u003c\/strong\u003e Do not add anti-seize or lubricant to these NGK plugs. Lubrication can change the clamping load produced by a torque setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse the correct service specification:\u003c\/strong\u003e Both excessive and insufficient tightening can affect heat transfer or damage the plug. Have a qualified installer handle the work if you are unsure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare the engine:\u003c\/strong\u003e Remove and install plugs with the engine cool. Clean the spark-plug holes first so dirt or debris cannot interfere with proper seating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #ff0000;\"\u003eCORVETTE COMPATIBILITY\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2006-2013 C6 Corvette Z06\u003c\/li\u003e\n\u003cli\u003eLS7 7.0L engine, stock configuration\u003c\/li\u003e\n\u003cli\u003eCoupe\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 3689 TR6IX Iridium IX spark plugs\u003c\/strong\u003e for your C6 Corvette Z06 LS7? Contact us for personal help before you order.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":67707620262125,"sku":"3689","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/ngk-3689-tr6ix-iridium-ix-corvette-spark-plug.png?v=1791730540","url":"https:\/\/www.corvettepartsandaccessories.com\/products\/c6-corvette-z06-ngk-iridium-ix-spark-plugs-ls7","provider":"Corvette Parts from Custom Corvette Accessories","version":"1.0","type":"link"}