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: 12mm
- 
Thread Pitch: 1.25mm
- 
Seat Type: Gasket
- 
Reach: 19mm (3/4")
- 
Hex Size: 18mm
- 
Terminal Type: Threaded Stud
- 
Overall Height: ISO Standard
- 
Gap: .028" (0.7mm)
Centre Electrode:
  - 
Material: Nickel
- 
Type: Standard
- 
Size: 2.5mm
- 
Projection: Non-Projected
Ground Electrode:
  - 
Material: Nickel
- 
Type: Standard
Additional Information:
  - 
Quantity: 1
- 
Resistor: Yes
- 
Resistor Value: 5k Ohm
- 
Heat Range: 8
- 
Torque Specs:  - Cast Iron: 10.8–18 lb. ft.
- Aluminium: 10.8–14.5 lb. ft.
 
Part Information:
  - 
Brand: NGK/NTK
- 
Warranty: 60 Days
- 
Longevity: 30,000 Miles