{"product_id":"ngk-r6725-10-3342","title":"Racing Spark Plug 3342","description":"【NGK R6725-10 Racing Plug 3342 ngk r6725-10-3342】\u003cbr\u003e\n Racing plugs, recommended for two-wheeled and four-wheeled vehicles, are available in various types to further improve performance when used in races, track driving, or with increased engine output due to tuning.\u003cbr\u003e\n Therefore, their shape differs from the manufacturer's standard plugs, and plug life or low-speed performance may be slightly compromised.\u003cbr\u003e\n However, on the other hand, they are developed and designed to fully demonstrate performance even in extremely tuned engines and under very severe operating conditions, with a wide range of heat ratings set in fine increments.\u003cbr\u003e\n Please select the appropriate plug for your individual engine to fully unleash its performance.\u003cbr\u003e\n Precautions when choosing racing plugs\u003cbr\u003e\n Determine the thread size, plug type, and shape from your genuine plug or the part number of the plug you are currently using, then select the corresponding type.\u003cbr\u003e\n Refer to the manufacturer's website for guidance on how to choose the electrode shape.\u003cbr\u003e\n The heat rating needs to be selected considering the increased combustion temperature due to engine output improvement and operating conditions, in order to maintain the plug's firing end temperature within the optimal range.\u003cbr\u003e\n Simply increasing the heat rating alone will not improve engine performance.\u003cbr\u003e\n Generally, heat ratings of 7-8 are used for street driving, 8-9 for track day specifications, and 9-10 for race specifications.\u003cbr\u003e\n The presence or absence of a resistor in the plug makes almost no difference nowadays due to the improved performance of ignition systems.\u003cbr\u003e\n In the future, resistor types will become the mainstream.\u003cbr\u003e\n Conversely, non-resistor types may cause engine problems in some models of some vehicle types.\u003cbr\u003e\n In such cases, please be sure to use resistor types.\u003cbr\u003e\n *The image is for illustration purposes only, and the design and specifications of the products shown are subject to change without notice. Thank you for your understanding.","brand":"日本特殊陶業(NGK)","offers":[{"title":"Default Title","offer_id":45516034736363,"sku":"ngk-r6725-10-3342","price":3840.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/ngk-rcp_5823661b-a197-4c05-8163-2fbf972c1da8.jpg?v=1729238566","url":"https:\/\/bikeman.jp\/en\/products\/ngk-r6725-10-3342","provider":"バイクマン","version":"1.0","type":"link"}