Denso Iridium Power Spark Plugs

Denso Iridium Power Spark Plugs Add to MyBests
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    Expert Review

    One of the main benefits of using iridium in spark plugs is its extremely high melting point at nearly 2500 degrees Celsius. The Denso Iridium Power spark plug takes full advantage of this attribute by using a fine-tipped 0.4 mm diameter electrode in place of the more traditional wide-diameter offerings. A standard electrode of that diameter would more than likely melt after prolonged use, but the Iridium allows for a more precise, controlled spark-to-ignition process.

    Combined with Denso's exclusive U-Groove pattern ground electrode, this allows the Iridium Power to handily outperform its competitors. However, this performance comes with a premium price tag. At more than three times the price of a standard spark plug, it's hard to make a case for the average, casual driver. If you are a performance enthusiast or a long-distance commuter, the cleaner burning capability and potential for increased fuel economy with the Denso Iridium Power may be worth looking into.Rating: 4.75/5

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