Iridium Power

newdenso

The DENSO Iridium Power Spark Plugs uses a new iridium alloy with a very high melting point, the tip of the electrode can be made very fine. This enables the reduction of voltage necessary to cause the spark, and greatly improves ignitability.

The iridium alloy used in these spark plugs is developed by DENSO with patented processes. The tip of the ground electrode for these spark plugs is cut to a fine taper to reduce the adverse effects of quenching, which greatly improves fuel ignitability.

DENSO Iridium Power Spark Plugs is designed with a U-shaped groove on the ground electrode to generate a flame kernel. This groove enables lower voltage needed to cause the spark and results in excellent ignitability without increasing the size of the spark gaps.

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