NGK Standard spark plugs are OE approved and recommended for reliable performance for most automotive and non-automotive applications. NGK Standard spark plugs feature a 5-Rib insulator design to prevent flashover and are also treated with corrosion-resistant plating to ensure ease of installation and removal. Cold rolled threads prevent damage to cylinder head. NGK’s triple gasket sealing process virtually eliminates gas leakage past the shell. Solid Copper Core provides superior heat dissipation, conductivity and a broader heat range.
Key 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
Product Specifications:
- Tread Diameter: 12mm
- Thread Pitch: 1.25mm
- Seat Type: Gasket
- Reach: 19mm (3/4″)
- Hex Size: 5/8″ (16mm)
- Terminal Type: Solid
- Gap: .031″ (0.8mm)
For use in all Sea-Doo 300hp engines.
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