{"product_id":"c6-corvette-grand-sport-ngk-v-power-spark-plugs-ls3","title":"C6 Corvette Grand Sport NGK V-Power 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 V-Power TR5 Nickel Spark Plugs for C6 Corvette Grand Sport LS3\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNGK V-Power TR5 nickel spark plugs\u003c\/strong\u003e, \u003cstrong\u003estock number 2238\u003c\/strong\u003e, fit the \u003cstrong\u003e2010–2013 C6 Corvette Grand Sport\u003c\/strong\u003e with its stock \u003cstrong\u003e6.2L LS3 V8\u003c\/strong\u003e. Each order supplies \u003cstrong\u003eeight spark plugs in two manufacturer four-packs\u003c\/strong\u003e for a complete eight-cylinder spark-plug replacement.\u003c\/p\u003e\n\u003cp\u003eV-Power combines a \u003cstrong\u003enickel V-groove center electrode\u003c\/strong\u003e with a heat-conducting copper core for your Grand Sport’s LS3. The groove supports ignitability and reduces quenching, while the ceramic insulates the plug electrically. A complete eight-plug set lets you prepare both cylinder banks for one service session, with consistent part identity throughout. The plated shell also removes the need to add anti-seize when following the vehicle’s tightening procedure.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentity:\u003c\/strong\u003e NGK 2238, design code TR5, V-Power nickel spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiring design:\u003c\/strong\u003e V-groove center electrode with nickel-alloy construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat management:\u003c\/strong\u003e 98% pure copper core; high-grade alumina silicate ceramic insulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShell treatment:\u003c\/strong\u003e Trivalent plating provides corrosion resistance and eliminates the need for anti-seize.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e Eight plugs only. Wires, coils and installation tools are separate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition support:\u003c\/strong\u003e The V-groove helps improve ignitability while reducing flame quenching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControlled heat flow:\u003c\/strong\u003e The copper core helps dissipate firing-end heat during engine operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear service quantity:\u003c\/strong\u003e Two four-packs cover the whole V8, avoiding a half-set order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry-thread service:\u003c\/strong\u003e The plated shell supports installation without anti-seize, avoiding an unnecessary lubricant that can alter tightening behavior.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrand Sport configuration:\u003c\/strong\u003e Match the 2010–2013 model years and stock 6.2L LS3. Both coupe and convertible bodies are covered, with six-speed manual or six-speed automatic transmissions and eight plugs per engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil-system distinction:\u003c\/strong\u003e The manual Grand Sport coupe has dry-sump lubrication, while automatic coupes and convertibles use a wet sump. These factory configurations retain the LS3 spark-plug selection; follow the correct vehicle service procedure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication gap:\u003c\/strong\u003e Use \u003cstrong\u003e0.040 inch (1.02 mm)\u003c\/strong\u003e for this stock LS3 fitment. Measure every plug before installation; the supplied preset is not a substitute for the required application setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Allow the engine to cool before installation. Follow the vehicle’s tightening specification on clean, dry threads without anti-seize. Inspect the ceramic and electrodes for damage, and use the correct spark-plug socket rather than forcing a plug into the cylinder head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModified engines:\u003c\/strong\u003e Have your engine builder confirm the plug specification and gap if compression, boost or other engine requirements have changed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #ff0000;\"\u003eCORVETTE COMPATIBILITY\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2010–2013 C6 Corvette Grand Sport\u003c\/li\u003e\n\u003cli\u003eCoupe and convertible\u003c\/li\u003e\n\u003cli\u003e6.2L LS3 V8, stock configuration\u003c\/li\u003e\n\u003cli\u003eSix-speed manual or six-speed automatic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Buy from Custom Corvette Accessories?\u003c\/h3\u003e\n\u003cp\u003eWe’re fellow Corvette owners at Custom Corvette Accessories, offering \u003cstrong\u003eone-on-one customer service\u003c\/strong\u003e. For help selecting \u003cstrong\u003eNGK 2238 TR5 V-Power nickel spark plugs\u003c\/strong\u003e for your C6 Corvette Grand Sport LS3, contact us for personal assistance with the fitment details and the complete eight-plug order.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":67732770881773,"sku":"2238","price":36.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/ngk-v-power-corvette-spark-plug-full-view_af1755c1-d962-45b8-acf8-5ff6cd083e90.png?v=1791837675","url":"https:\/\/www.corvettepartsandaccessories.com\/products\/c6-corvette-grand-sport-ngk-v-power-spark-plugs-ls3","provider":"Corvette Parts from Custom Corvette Accessories","version":"1.0","type":"link"}