{"product_id":"ngk-90398-lmar8e-j-nickel-spark-plug","title":"NGK - 90398 - LMAR8E-J Nickel Spark Plug","description":"NGK Standard spark plugs (in the iconic NGK 'yellow box' packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.\nM\/C - 2021-2020 YAMAHA\n\u003cul\u003e\n  \u003cli\u003eTRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal\u003c\/li\u003e\n  \u003cli\u003ePure alumina silicate ceramic insulator provides superior strength and better heat transfer\u003c\/li\u003e\n  \u003cli\u003eTrivalent metal plating for superior anti-corrosion and anti-seizing properties\u003c\/li\u003e\n  \u003cli\u003eCorrugated ribs prevent flashover\u003c\/li\u003e\n  \u003cli\u003eCopper core aids in heat removal\u003c\/li\u003e\n  \u003cli\u003eTriple seals prevent leakage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNGK Standard Spark Plug 90398 is an OE-focused nickel spark plug engineered for reliable performance in specified Yamaha motorcycle applications from model years 2020–2021. Its nickel alloy construction and proven design support dependable ignition performance for automotive and powersports applications.\u003c\/p\u003e\u003cp\u003eThe spark plug features a high-grade alumina silicate ceramic insulator for increased strength and dielectric performance. A solid 98% pure copper core supports heat dissipation and conductivity across a wide heat range, while trivalent metal plating helps resist corrosion and seizing for easier installation and removal. Corrugated ribs help prevent flashover, and triple gasket seals help prevent combustion gas leakage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Performance Benefits\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNickel alloy construction:\u003c\/strong\u003e Provides OE-quality design and reliable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e98% pure copper core:\u003c\/strong\u003e Aids heat removal and supports conductivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlumina silicate ceramic insulator:\u003c\/strong\u003e Delivers high strength and supports heat transfer and dielectric performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrivalent metal plating:\u003c\/strong\u003e Helps provide anti-corrosion and anti-seizing properties.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Product Specifications \u0026amp; Technical Data\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e NGK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 90398\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e LMAR8E-J\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Standard spark plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrode material:\u003c\/strong\u003e Nickel alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e 98% pure copper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulator material:\u003c\/strong\u003e Alumina silicate ceramic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing design:\u003c\/strong\u003e Triple gasket seals\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included in the Box\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNGK 90398 LMAR8E-J Nickel Spark Plug. Fitment data available: Yamaha motorcycles, model years 2020–2021.\u003c\/p\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Unknown\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 10\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":68060578676988,"sku":"90398","price":191.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/a3a5dd42d2a8619f0d2423f5638bdf95L.jpg?v=1793646714","url":"https:\/\/diycustoms.store\/products\/ngk-90398-lmar8e-j-nickel-spark-plug","provider":"diycustoms.store","version":"1.0","type":"link"}