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NGK Laser Iridium spark plugs provide superior ignitability and long service life. Fine wire iridium tipped center electrode and fine wire platinum tipped ground electrode ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions.


  • 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



  • Thread Diameter 12mm
  • Thread Pitch 1.25mm
  • Seat Type Gasket
  • Reach 26.5mm (1.04")
  • Hex Size 9/16" (14mm)
  • Terminal Type Solid
  • Gap .028" (0.7mm)


Center  Electrode

  • Material Iridium
  • Type Fine Wire
  • Size 0.6mm
  • Projection Projected


Ground  Electrode

  • Material Platinum
  • Type Standard
  • Quantity1



  • Resistor Yes
  • Resistor Value 5k Ohm
  • Heat Range 7
  • Torque Specs Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.


Part Information

  • Brand NGK/NTK
  • Warranty 60 Days
  • Longevity 100k Miles


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