NGK 3797 CR8EHIX-9 Iridium IX Spark Plug

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

• • Shell
  • Thread Diameter10mm
  • Thread Pitch1.0mm
  • Seat TypeGasket
  • Reach19mm (3/4")
  • Hex Size5/8" (16mm)
  • Terminal TypeThreaded Stud
  • Overall HeightISO
  • Gap.035" (0.9mm)

  • Center Electrode
  • MaterialIridium
  • TypeFine Wire
  • Size0.6mm
  • ProjectionProjected

  • Ground Electrode
  • MaterialNickel
  • TypeStandard
  • ShapeTaper Cut
  • Quantity1

  • Specifications
  • ResistorYes
  • Resistor Value5k Ohm
  • Heat Range8
  • Features12.7mm Threaded Reach
  • Torque SpecsCast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft.

  • Part Information
  • BrandNGK/NTK
  • Warranty60 Days
  • Longevity50k Miles