The NGK BR9EIX Iridium spark plug...
The NGK BR9EIX Iridium spark plug improves combustion and reduces power consumption.
It is designed for extensive configurations and adapted to the Top80 engine.
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Feature of the Iridium spark plug
Iridium spark plugs from NGK currently represent the highest-quality technological solution. They have an iridium-alloy tip on the middle electrode. It is welded on in a special process using a laser.
In addition, the precious metal allows the middle electrode to be designed significantly thinner, with a thickness of 0.6 mm. These measures reduce the ignition voltage requirement considerably and contribute to improving the spread of the flame front in the combustion chamber.
The self-cleaning effect of iridium spark plugs
Regardless of the current operating temperature, electrical discharges take place in the ring gap between the middle electrode and insulator. They remove any carbon particles and thereby guarantee that the ignition voltage is not conducted.