{"product_id":"ngk-r7434-8-4892","title":"Racing Plug 4892","description":"【NGK R7434-8 Racing Plug 4892 ngk r7434-8-4892】\u003cbr\u003e\n Racing plugs recommended for two-wheeled and four-wheeled vehicles come in various types designed to further enhance performance when used in races, circuit driving, or with increased engine output due to tuning.\u003cbr\u003e\n Therefore, their shape differs from the standard plugs specified by the manufacturer, and plug life and low-speed performance may be slightly compromised.\u003cbr\u003e\n However, on the other hand, they are developed and designed to fully demonstrate their performance and withstand even extremely tuned engines and very harsh operating conditions, with a wide range of heat ratings.\u003cbr\u003e\n Please select the appropriate type for your individual engine to achieve full performance.\u003cbr\u003e\n Points to note when choosing a racing plug\u003cbr\u003e\n From the part number of your genuine plug or the plug you are currently using, determine the thread size, plug type, and shape, and select the corresponding type.\u003cbr\u003e\n Please refer to the manufacturer's website for guidance on how to choose the ignition end shape.\u003cbr\u003e\n The heat rating needs to be selected to maintain the plug's ignition end temperature within the optimal range, taking into account the increase in combustion temperature due to improved engine output and operating conditions.\u003cbr\u003e\n Simply increasing the heat rating alone will not improve engine performance.\u003cbr\u003e\n For mainly street use, ratings 7-8 are typically used, for track day specifications 8-9, and for race specifications 9-10.\u003cbr\u003e\n The presence or absence of a resistor in the plug makes almost no difference nowadays due to improvements in ignition system performance.\u003cbr\u003e\n Resistor types will become the mainstream going forward.\u003cbr\u003e\n Conversely, non-resistor types may cause engine problems in some models of some vehicles.\u003cbr\u003e\n In such cases, please be sure to use a resistor type.\u003cbr\u003e\n *The image is for illustrative purposes only, and the design and specifications of the products shown may change without prior notice. Please understand.","brand":"日本特殊陶業(NGK)","offers":[{"title":"Default Title","offer_id":45516040241387,"sku":"ngk-r7434-8-4892","price":4140.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/ngk-rcp_31c95e9e-9a2c-4585-bf34-f1cf080f9f12.jpg?v=1729238737","url":"https:\/\/bikeman.jp\/en\/products\/ngk-r7434-8-4892","provider":"バイクマン","version":"1.0","type":"link"}