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Denso

NGK IX Iridium Spark Plugs - pre-gapped

The Spark Plug Serious Enthusiasts Rely On.

Iridium IX® offers extreme ignitability, improved throttle response and superior anti fouling:

  • Fine Iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has an extremely high melting point, perfect for today’s high-tech, high-performance engines
  • Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance.
  • Longer life
  • Improves idling & throttle response.
  • Better electrode anti-oxidation
  • Improved ignition
  • Better electrode anti-erosion
  • Allows the use of an extremely small diameter electrode (0.6mm) without compromising the spark plug's service life
  • Superior anti-fouling
  • Lower required voltage

This spark plug is one step colder than the stock plugs. All plugs have been gapped in house to 0.025" ready for fitment.

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