• 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
  • PRODUCT SPECIFICATIONS
    • Shell
    • Thread Diameter14mm
    • Thread Pitch1.25mm
    • Seat TypeGasket
    • Reach19mm (3/4")
    • Hex Size13/16" (21mm)
    • Terminal TypeRemovable Nut
    • Overall HeightISO
    • Gap.031" (0.8mm)
    • Center Electrode
    • MaterialIridium
    • TypeFine Wire
    • Size0.6mm
    • ProjectionNon-Projected
    • Ground Electrode
    • MaterialNickel
    • TypeStandard
    • ShapeTaper Cut
    • Quantity1
    • Specifications
    • ResistorYes
    • Resistor Value5k Ohm
    • Heat Range9
    • Torque SpecsCast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

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