{"product_id":"ngk-90398-lmar8e-j-nickel-spark-plug","title":"NGK 90398 LMAR8E-J Nickel Spark Plug","description":"\u003ch4\u003eDependable Copper Core Ignition for Everyday Driving\u003c\/h4\u003e\n\u003cp\u003eThis nickel alloy spark plug delivers proven OE quality performance for engines that call for a standard heat range 8 plug. Built with NGK's legendary alumina silicate insulator and triple gasket sealing, it holds up to daily driving without giving up reliability.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid 98 percent pure copper core for superior heat dissipation and conductivity\u003c\/li\u003e\n\u003cli\u003eHigh grade alumina silicate ceramic insulator for strong dielectric performance\u003c\/li\u003e\n\u003cli\u003eTriple gasket sealing prevents combustion gas leakage\u003c\/li\u003e\n\u003cli\u003eTrivalent metal plating resists corrosion and seizing\u003c\/li\u003e\n\u003cli\u003eNickel alloy construction engineered for OE quality reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGap\u003c\/td\u003e\n\u003ctd\u003e0.4mm pre gap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Range\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Size\u003c\/td\u003e\n\u003ctd\u003eM10 x 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReach\u003c\/td\u003e\n\u003ctd\u003e26.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHex Size\u003c\/td\u003e\n\u003ctd\u003e14mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGround Electrodes\u003c\/td\u003e\n\u003ctd\u003e2, multi ground configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Type\u003c\/td\u003e\n\u003ctd\u003eFlat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eStud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 NGK LMAR8E-J nickel spark plug\u003c\/li\u003e\n\u003cli\u003eCrush washer where applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout NGK\u003c\/h4\u003e\n\u003cp\u003eNGK is a global leader in ignition technology, supplying spark plugs to major vehicle manufacturers as original equipment for decades. Its iconic yellow box packaging represents decades of engineering standards for materials, gap precision, and durability.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ngk-iridium-spark-plug-box-of-4-iztr5b11\"\u003eNGK Iridium Spark Plug Box of 4 (IZTR5B11)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ngk-nickel-spark-plug-box-of-4-tr5\"\u003eNGK Nickel Spark Plug Box of 4 (TR5)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ngk-nickel-spark-plug-box-of-4-zfr5f-11\"\u003eNGK Nickel Spark Plug Box of 4 (ZFR5F-11)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the LMAR8E-J?\u003c\/strong\u003e\n\u003cp\u003eThe LMAR8E-J is an NGK Standard nickel alloy spark plug with a heat range of 8, an M10 x 1.0 thread, and a 26.5mm reach. It is engineered as an OE quality replacement for applications calling for this specification.\u003c\/p\u003e\n\u003cstrong\u003eWhat gap does this spark plug come pre set to?\u003c\/strong\u003e\n\u003cp\u003eThe plug ships with a 0.4mm factory pre gap. Confirm this matches your vehicle manufacturer specification before installing.\u003c\/p\u003e\n\u003cstrong\u003eIs this spark plug a nickel or precious metal plug?\u003c\/strong\u003e\n\u003cp\u003eThis is a nickel alloy spark plug, not a platinum or iridium design. It uses a solid copper core beneath the nickel alloy electrodes for efficient heat transfer.\u003c\/p\u003e\n\u003cstrong\u003eWhat thread size does this spark plug use?\u003c\/strong\u003e\n\u003cp\u003eIt uses an M10 x 1.0 thread with a 14mm hex size and 26.5mm reach.\u003c\/p\u003e\n\u003cstrong\u003eHow many ground electrodes does this spark plug have?\u003c\/strong\u003e\n\u003cp\u003eThis plug uses a multi ground electrode configuration with two ground electrodes for consistent firing.\u003c\/p\u003e\n\u003cstrong\u003eHow does triple gasket sealing help performance?\u003c\/strong\u003e\n\u003cp\u003eTriple gasket sealing prevents combustion gas from leaking past the plug threads, which helps maintain compression and consistent engine performance.\u003c\/p\u003e\n\u003cstrong\u003eIs this spark plug sold individually?\u003c\/strong\u003e\n\u003cp\u003eYes, this listing is for a single spark plug.\u003c\/p\u003e\n\u003cstrong\u003eHow often should this spark plug be replaced?\u003c\/strong\u003e\n\u003cp\u003eNickel alloy plugs like this one typically follow a shorter service interval than platinum or iridium plugs, so check your vehicle manufacturer maintenance schedule for the recommended replacement mileage.\u003c\/p\u003e\n\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eAllow the engine to cool completely before starting work\u003c\/li\u003e\n\u003cli\u003eRemove the ignition coil, coil pack, or spark plug wire\u003c\/li\u003e\n\u003cli\u003eUse a spark plug socket to remove the old plug, turning counterclockwise\u003c\/li\u003e\n\u003cli\u003eVerify the gap on the new plug matches manufacturer specification\u003c\/li\u003e\n\u003cli\u003eThread the new plug in by hand until seated, then torque to specification\u003c\/li\u003e\n\u003cli\u003eReconnect the coil, coil pack, or wire before starting the engine\u003c\/li\u003e\n\u003c\/ol\u003e\n","brand":"NGK","offers":[{"title":"Default Title","offer_id":46126078689359,"sku":"NGK90398","price":389.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ngk-90398-lmar8e-j-nickel-spark-plug-1.webp?v=1784642847","url":"https:\/\/www.blackopsautoworks.com\/products\/ngk-90398-lmar8e-j-nickel-spark-plug","provider":"Black Ops Auto Works","version":"1.0","type":"link"}