NGK Racing Spark Plug - R6918B-9 We have developed a new

We have developed a new skirt coating that not only assists the wear in process

Offering maximum performance while meeting AMA amateur noise requirements

Riders keep the option and function of the rear foot pedal

Suitable for:

Slim design to resamble a number plate

NGK Racing Spark Plug - R6918B-9 We have developed a newThe Racing Spark Plug intended for competition should be able to resist to extreme conditions: Repeated acceleration and deceleration with power Intensive engine operating on high rev. Extreme condition inside combustion chamber such as temperature variation, pressure, vibration and turbulences cannot be sustained by a standard spark plug.