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

Features:

• 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.

Specifications:

• Shell:
  • Thread Diameter: 10mm
  • Thread Pitch: 1.0mm
  • Seat Type: Gasket
  • Reach: 12.7mm (1/2")
  • Hex Size: 5/8" (16mm)
  • Terminal Type: Solid
  • Gap: .035" (0.9mm)
• Centre Electrode:
  • Material: Nickel
  • Type: Standard
  • Size: 2.5mm
  • Projection: Non-Projected
• Ground Electrode:
  • Material: Nickel
  • Type: Standard
• Quantity: 1
• Resistor: Yes
• Resistor Value: 1K Ohm
• Heat Range: 6
• Torque Specs:
  • Cast Iron: 7.2–10.8 lb. ft.
  • Aluminium: 7.2–8.7 lb. ft.