Denso Iridium Spark Plug, IW24
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Denso Iridium Spark Plug, IW24

Product Code: NDIW24

Denso IW24 Iridium Spark Plug

  • 3/4" Reach
  • 19 mm Thread

Sold as box of 4


Iridium, a highly dense metal, allows the center electrode to be shrunk to 0.4 mm in diameter. Superior performance is achieved by decreasing the required voltage amount when firing. A typical platinum plug as a center electrode of 1.1 mm.