Racing Spark Plugs 4482

[NGK R6725-115 Racing Plug 4482 ngk r6725-115-4482]
Racing plugs recommended for motorcycles and automobiles come in various types designed to further enhance performance when used with increased engine output due to racing, circuit driving, or tuning.
Therefore, their shape may differ from the manufacturer's standard plugs, and plug life and low-speed performance may be slightly compromised.
However, on the other hand, they are developed and designed to fully demonstrate their performance and withstand even extremely tuned engines and very severe operating conditions, with a wide range of heat ratings.
Please select the appropriate plug for your specific engine to achieve full performance.
Precautions when choosing racing plugs
From the part number of the genuine plug or the plug currently in use, determine the screw size, plug type, and shape, and then select the corresponding type.
Please refer to the manufacturer's website for guidance on how to choose the ignition tip shape.
The heat range must be selected considering the rise in combustion temperature due to increased engine output and operating conditions, in order to maintain the plug's ignition tip temperature within the optimal range.
Simply increasing the heat range alone will not improve engine performance.
Generally, heat ranges 7-8 are used for street driving, 8-9 for track day specifications, and 9-10 for race specifications.
The presence or absence of a resistor in the plug makes almost no difference nowadays due to improved ignition system performance.
In the future, resistor-type plugs will become mainstream.
Conversely, non-resistor types may cause engine trouble in some models of some vehicle types.
In such cases, always use a resistor type.
*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.