{"product_id":"c6-corvette-ngk-ruthenium-hx-spark-plugs-ls3","title":"C6 Corvette NGK Ruthenium HX 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 Ruthenium HX TR5AHX Spark Plugs for C6 Corvette LS3\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNGK Ruthenium HX TR5AHX spark plugs\u003c\/strong\u003e, \u003cstrong\u003estock number 94567\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 manufacturer packs of four\u003c\/strong\u003e for a full V8 spark-plug replacement.\u003c\/p\u003e\n\u003cp\u003eKeeping a stock 6.2L LS3 ready for regular drives starts with plugs chosen for the engine in your car. Ruthenium HX pairs a \u003cstrong\u003efine ruthenium-alloy center tip with a platinum ground tip\u003c\/strong\u003e. Its double-fine-electrode layout promotes ignitability at the firing end, while durable precious-metal tips help resist wear through repeated ignition cycles in normal street service.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact plug identity:\u003c\/strong\u003e NGK 94567, design code TR5AHX, Ruthenium HX.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble Fine Electrode design:\u003c\/strong\u003e Fine ruthenium-alloy center and platinum ground firing tips support high ignitability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecious-metal firing surfaces:\u003c\/strong\u003e The ruthenium-alloy center tip provides resistance to wear during repeated sparking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete V8 quantity:\u003c\/strong\u003e Eight matching plugs in two four-packs; select order quantity one for one engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded components:\u003c\/strong\u003e Spark plugs only. Plug wires and ignition coils are separate and are not included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-ignitability construction:\u003c\/strong\u003e Opposed fine tips help the spark initiate combustion of the air-fuel mixture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWear-resistant firing surface:\u003c\/strong\u003e The ruthenium-alloy center electrode helps resist wear over repeated ignition cycles during regular street use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS3 street maintenance:\u003c\/strong\u003e Give every cylinder a fresh matching plug during routine service on your C6 Base coupe or convertible.\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 TR5AHX set. Coupe and convertible owners receive the same complete eight-plug quantity for a stock-engine refresh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation 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; do not assume the gap supplied in the box is the required vehicle setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect both firing tips:\u003c\/strong\u003e Check with a round-wire or pin gauge. Any adjustment must move only the ground electrode without pressure on the center tip; ask a qualified installer if unsure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation care:\u003c\/strong\u003e Use clean, dry threads without anti-seize and follow the vehicle tightening specification. Have your engine builder or tuner confirm plug requirements if the engine has been modified.\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 94567 TR5AHX Ruthenium HX 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":67715213000941,"sku":"94567","price":143.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/ngk-ruthenium-hx-spark-plug-full-view_dd0de95c-38d7-4f07-bdb5-51020c1caab5.png?v=1791742911","url":"https:\/\/www.corvettepartsandaccessories.com\/products\/c6-corvette-ngk-ruthenium-hx-spark-plugs-ls3","provider":"Corvette Parts from Custom Corvette Accessories","version":"1.0","type":"link"}