{"product_id":"c6-corvette-ngk-g-power-spark-plugs-ls3","title":"C6 Corvette NGK G-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 G-Power TR5GP Platinum Spark Plugs for C6 Corvette Base LS3\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNGK G-Power TR5GP platinum spark plugs\u003c\/strong\u003e, \u003cstrong\u003estock number 3186\u003c\/strong\u003e, fit the \u003cstrong\u003e2008–2013 C6 Corvette Base LS3\u003c\/strong\u003e with its stock \u003cstrong\u003eLS3 6.2L V8\u003c\/strong\u003e. This offer supplies \u003cstrong\u003eeight spark plugs as two manufacturer packs of four\u003c\/strong\u003e, giving you a complete engine set for scheduled spark-plug replacement.\u003c\/p\u003e\n\u003cp\u003eG-Power brings \u003cstrong\u003esingle-platinum, fine-wire construction\u003c\/strong\u003e to an LS3 maintenance job. Its 0.6 mm center electrode supports focused sparking, and the trapezoidal ground electrode helps the initial flame develop with less quenching. The copper core contributes to heat dissipation, supporting a service set intended for the naturally aspirated 6.2L engine.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug identity:\u003c\/strong\u003e NGK 3186, design code TR5GP, G-Power platinum spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiring-end design:\u003c\/strong\u003e Single platinum center tip, 0.6 mm fine-wire center electrode and trapezoidal ground electrode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal construction:\u003c\/strong\u003e 98% pure copper core and high-grade alumina silicate ceramic insulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete quantity:\u003c\/strong\u003e Two four-packs provide eight matching plugs; select order quantity one to service one V8.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Spark plugs only. Ignition coils, plug wires 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\u003eFocused ignition:\u003c\/strong\u003e The fine-wire platinum tip supports ignitability during normal combustion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced flame quenching:\u003c\/strong\u003e The ground-electrode shape helps limit interference with the flame as it starts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat management:\u003c\/strong\u003e A copper core helps dissipate firing-end heat; ceramic insulation supports electrical isolation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne complete service set:\u003c\/strong\u003e Replace all eight plugs together in your LS3 coupe or convertible, with the correct quantity already grouped for the job.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS3 model-year coverage:\u003c\/strong\u003e This eight-plug set is for the 2008–2013 C6 Base with the naturally aspirated 6.2L LS3. Verify that engine and year combination rather than choosing by the C6 designation alone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYour transmission choice:\u003c\/strong\u003e Both manual and automatic LS3 Base cars use the same TR5GP set. For either body style, check plug-wire boots for damage and fully seat each connection when finishing the service.\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. Check each plug before fitting it; the factory setting is not assumed to match the required engine gap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine-wire care:\u003c\/strong\u003e Measure with a round-wire or pin gauge. If adjustment is needed, move only the ground electrode without levering against the platinum center tip or ceramic insulator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Fit clean, dry threads without anti-seize and follow the vehicle torque specification. Have your engine builder confirm requirements for a modified engine before ordering.\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 naturally aspirated V8, 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 3186 TR5GP G-Power platinum spark plugs\u003c\/strong\u003e for your C6 Corvette Base LS3? Contact us for personal help before you order.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":67729720377581,"sku":"3186","price":52.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/ngk-g-power-platinum-spark-plug-full-view.png?v=1791816200","url":"https:\/\/www.corvettepartsandaccessories.com\/products\/c6-corvette-ngk-g-power-spark-plugs-ls3","provider":"Corvette Parts from Custom Corvette Accessories","version":"1.0","type":"link"}