BR9ES spark plug (resistor type). Made in Japan by NGK.
Equivalent to Champion RN2C, Denso W27ESR-U. Very cold plug for some standard (where specified) plus racing or hard tuned engines.
Non-resistor type B9ES can be supplied instead if you add a comment to your order. Non-resistor types may cause slight interference with car radios etc.
Aprilia mojito custom 2t,
Piaggio zip 50 2t, typhoon 50
Fits All GS-Super Sport 180, Rally, P200E-PX200 and more. This one is a cooler range plug for high speed driving and tuned motors.