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NGK

2309-4

NGK 2309 One Step Colder Spark Plugs (Set of 4) - Subaru WRX 2006-2014 / STi 2004-2020 (+Multiple Fitments)


NGK IX Iridium Series plugs were designed specifically for the performance enthusiast.

 

  • Fine wire center electrode 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 provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
  • Copper core aids in heat removal
  • Triple seals prevent leakage
  • 2006-2014 Subaru WRX
  • 2004-2020 Subaru STi
  • 2004-2008 Subaru Forester XT
  • 2005-2009 Subaru Legacy GT
  • 2006-2009 Subaru Legacy GT Spec B

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