NGK Spark Plugs TR7-IX

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NGK Spark Plugs TR7-IX

SKU: NGK-3690

We recommend using the Brisk racing GR14YS in place of this plug on '07-'12 GT500 running less than 18 PSI of boost. We recommend the Brisk Racing GR12S in place of these on '13-'14 GT500's and '07-'12 GT500's that are running greater than 18 PSI.

Set of 8 colder spark plugs for a forced induction application, must be gapped at .035"" -.032""

NGK Iridium TR-7-IX

The Spark Plug Serious Enthusiasts Rely On

Designed specifically for the performance enthusiast. 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 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.

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