{"product_id":"rotax-ngk-gr9di-8-spark-plug","title":"Rotax NGK GR9DI-8 Spark Plug","description":"\u003cp\u003eThe \u003cstrong\u003eNGK GR9DI-8 spark plug\u003c\/strong\u003e is the official, homologated spark plug for \u003cstrong\u003eRotax Max karting engines\u003c\/strong\u003e, including the Rotax Max Evo, Senior Max, Junior Max, and DD2. Engineered to Rotax's precise specification, this iridium-tipped plug delivers consistent ignition performance, reliable combustion, and the durability demanded by competitive karting at every level.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're racing at club level or competing on the international stage, the GR9DI-8 is the plug your Rotax engine was built around. Its fine iridium centre electrode ensures a precise, repeatable spark cycle after cycle—helping you extract maximum power while maintaining engine reliability throughout a full race weekend.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOfficial Rotax Max homologated spark plug — competition legal\u003c\/li\u003e\n\u003cli\u003eFine iridium centre electrode for precise, consistent ignition\u003c\/li\u003e\n\u003cli\u003eOptimised heat range for Rotax Max engine operating temperatures\u003c\/li\u003e\n\u003cli\u003eSuperior anti-fouling properties for clean running in all conditions\u003c\/li\u003e\n\u003cli\u003eExcellent durability and wear resistance at high RPM\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement — no modification required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRotax Max Evo (Senior \u0026amp; Junior)\u003c\/li\u003e\n\u003cli\u003eRotax DD2\u003c\/li\u003e\n\u003cli\u003eRotax Micro \u0026amp; Mini Max (confirm with your engine spec sheet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003e✔ Genuine NGK part  |  ✔ Official Rotax specification component\u003c\/em\u003e\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":57644794806597,"sku":"GR9DI-8","price":15.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/2785\/6709\/files\/ngk-gr9di-8-rotax-max-spark-plug.webp?v=1776034483","url":"https:\/\/thekartstore.com\/products\/rotax-ngk-gr9di-8-spark-plug","provider":"IC Kartstore","version":"1.0","type":"link"}