{"product_id":"ngk-spark-plugs-r6918b-8-spark-plug-part-number-4492","title":"NGK Spark Plugs R6918B-8 Spark Plug, Part Number 4492","description":"Spark Plug - R6918B-8\n\u003cp\u003eThe NGK Spark Plugs R6918B-8 Spark Plug is designed to deliver dependable ignition performance for compatible high-performance engines and applications. Manufactured by NGK Spark Plugs, this spark plug uses a specialized construction to support efficient combustion, consistent firing, and reliable operation under demanding conditions. The manufacturer part number is 4492, and the vendor part number is R6918B-8.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeature:\u003c\/strong\u003e Trivalent metal plating provides enhanced resistance to corrosion and seizing, helping support easier installation and removal during service. A pure alumina silicate ceramic insulator delivers high strength and promotes efficient heat transfer for dependable operation across a wide range of engine temperatures. Triple seals help prevent leakage, while corrugated ribs reduce the risk of flashover for consistent ignition performance.\u003c\/p\u003e\u003cp\u003eThe copper core helps transfer heat away from the firing end, supporting improved thermal control and helping protect the plug during demanding engine operation. The NGK Spark Plugs R6918B-8 is intended for applications specified by the vehicle or engine manufacturer. Verify fitment using the application guide and confirm that the R6918B-8 model and NGK Spark Plugs part number 4492 match the required engine specifications before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTrivalent metal plating helps resist corrosion and seizing\u003c\/li\u003e\n\u003cli\u003ePure alumina silicate ceramic insulator provides high strength and efficient heat transfer\u003c\/li\u003e\n\u003cli\u003eTriple seals help prevent leakage\u003c\/li\u003e\n\u003cli\u003eCorrugated ribs help prevent flashover\u003c\/li\u003e\n\u003cli\u003eCopper core aids in heat removal\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible high-performance engine applications\u003c\/li\u003e\n\u003cli\u003eBrand: NGK Spark Plugs\u003c\/li\u003e\n\u003cli\u003eModel: R6918B-8\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 4492\u003c\/li\u003e\n\u003cli\u003eVendor part number: R6918B-8\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK SPARK PLUGS","offers":[{"title":"Default Title","offer_id":67567706374379,"sku":"R6918B8","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/52316.png?v=1790797731","url":"https:\/\/ctracingservices.com\/products\/ngk-spark-plugs-r6918b-8-spark-plug-part-number-4492","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}