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:

• Sh ell 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)
• Center Electrode:
• Material: Nickel
• Type: Standard
• Size: 2.5mm
• Projection: Non-Projected
• Resistor Value: 1K Ohm
• Heat Range: 6
• Torque Specs:
  • Cast Iron: 7.210.8 lb. ft.
  • Aluminium: 7.28.7 lb. ft.