NGK 1643 LKR7E Nickel Spark Plug

NGK 1643 LKR7E Nickel Spark Plug

• NGK standard plugs are constructed for longer life and optimum performance.
  

  • 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 Diameter12mm
  • Thread Pitch1.25mm
  • Seat TypeGasket
  • Reach26.5mm (1.04")
  • Hex Size5/8" (16mm)
  • Terminal TypeSolid
  • Overall HeightISO
  • Gap.035" (0.9mm)

  • Center Electrode
  • MaterialNickel
  • TypeStandard
  • Size2.5mm
  • ProjectionProjected

  • Ground Electrode
  • MaterialNickel
  • TypeStandard
  • Quantity1

  • Specifications
  • ResistorYes
  • Resistor Value5k Ohm
  • Heat Range7
  • Torque SpecsCast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.