NGK 3981 BR9EIX Iridium IX Spark Plug
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New South Wales 2000,
AU
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$13.99
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Precision spark plug for smooth combustion
The NGK 3981 BR9EIX Iridium IX Spark Plug delivers reliable ignition for high-revving 2-stroke engines. Featuring a laser-welded iridium centre electrode, it offers superior ignitability and increased durability over standard nickel plugs. This plug serves as a performance upgrade for applications requiring standard BR9ES series plugs.
NGK BR9EIX Iridium IX Spark Plug Features:
- Built to NGK standards for long life and consistent performance
- High-quality upgrade/ replacement
- Trivalent metal plating for strong anti-corrosion and anti-seizing protection
- Corrugated ribs help prevent flashover
- Pure alumina silicate ceramic insulator for strength and efficient heat transfer
- Copper core aids heat dissipation
- Triple seals help prevent gas leakage
NGK 3981 BR9EIX Iridium IX Spark Plug Specifications:
Shell:
- Model Number: BR9EIX
- Part Number (Stock Code): 3981
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- Seat Type: Gasket
- Reach: 19 mm (3/4")
- Hex Size: 21 mm (13/16")
- Terminal Type: Removable Nut
- Overall Height: ISO
- Gap: 0.8 mm (0.031")
Centre Electrode:
- Material: Iridium
- Type: Fine Wire
- Size: 0.6 mm
- Design: Non-Projected
Ground Electrode:
- Material: Nickel
- Type: Standard
- Shape: Taper Cut
- Quantity: 1
Electrical Performance:
- Resistor: Yes (5k Ohm)
- Heat Range: 9
Installation:
- Torque (Aluminium): 25-30 Nm (18-21.6 lb-ft)
- Torque (Cast iron): 25-34 Nm (18-25.3 lb-ft)
Compatible Outboards:
- Suitable for engines currently using BR9ES (Gasket seat)
- Legacy 2-stroke
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