Spark plugs with V-groove in the center electrode

Bougies met V-inkeping in de midden-elektrode
NGK’s patented V-grooved spark plugs

NGK’s patented V-grooved spark plugs - The principle is technically simple but very effective. A V-groove is situated in the centre electrode of these V-Line spark plugs. This forces the spark to occur at the outer edge of the centre electrode where it is easier to ignite the fuel/air mixture. In addition, the voltage required to produce a spark is reduced. These two features give the benefit of improved ignitability.

NGK V-line spark plugs offer perfect ignition of the fuel/air mixture. Especially in modern low emission lean-burn engines, even under extreme operating conditions.

NGK V-line spark plugs offer perfect ignition of the fuel/air mixture. Especially in modern low emission lean-burn engines, even under extreme operating conditions.

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