NGK R5671A Racing Plugs
NGK Racing Series plugs are engineered to withstand the harshest engine conditions. Special insulator nose configurations improve throttle response. 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 Diameter: 14mm
- Thread Pitch: 1.25mm
- Seat Type: Gasket
- Reach: 19mm (3/4")
- Hex Size: 5/8" (16mm)
- Terminal Type: Solid
- Overall Height: ISO
Centre Electrode
- Material: Nickel
- Type: V-Cut
- Size: 2.5mm
- Projection: Non-Projected
Ground Electrode
- Material: Nickel
- Type: Standard
- Quantity: 1
Specifications
- Resistor: No
- Resistor Value: 1K Ohm
- Heat Range: 7, 8, 9, 10, 11
- Features: Copper gasket
- Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminium: 18-21.6 lb. ft.
Part Information
- Brand: NGK/NTK
R5671A-7 NGK 4091, R5671A-8 NGK 4554, R5671A-9 NGK 5238, R5671A-10 NGK 5820, R5671A-11 NGK 6596