• NGK Racing Series plugs are engineered to withstand the harshest engine conditions. Special insulator nose configurations improve throttle response. 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.

    • PRODUCT SPECIFICATIONS
      • Shell
      • Thread Diameter14mm
      • Thread Pitch1.25mm
      • Seat TypeGasket
      • Reach19mm (3/4")
      • Hex Size5/8" (16mm)
      • Terminal TypeSolid
      • Overall HeightISO
      • Gap.031" (0.8mm)
      • Center Electrode
      • MaterialNickel
      • TypeV-Cut
      • Size2.5mm
      • ProjectionProjected
      • Ground Electrode
      • MaterialNickel
      • TypeStandard
      • Quantity1
      • Specifications
      • ResistorNo
      • Resistor Value1K Ohm
      • Heat Range9
      • Torque SpecsCast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

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