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Two Steps Colder

NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.

  • 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


  • Shell
  • Thread Diameter14mm
  • Thread Pitch1.25mm
  • Seat TypeTapered
  • Reach18mm (.709")
  • Hex Size5/8" (16mm)
  • Terminal TypeSolid
  • Overall HeightISO
  • Gap.028" (0.7mm)
  • Center Electrode
  • MaterialNickel
  • TypeV-Cut
  • Size2.5mm
  • ProjectionNon-Projected
  • Ground Electrode
  • MaterialNickel
  • TypeStandard
  • Quantity1
  • Specifications
  • ResistorYes
  • Resistor Value5k Ohm
  • Heat Range7
  • Torque SpecsCast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft.