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Double Electrode Technology

Double Electrode Technology

double-groove

With such spark plugs the spark continually jumps over to a different ground electrode. In doing so, the wear is distributed up to two ground electrodes and the service life is extended.

Usually, the spark is discharged at the spark gap. However, when there is carbon fouling, the spark is discharged at the air gap and it burns off the carbon on the insulator surface, suppressing the decline in insulation.

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