NGK’s standard plugs are constructed for longer life and optimum performance that feature corrugated ribs, triple-gasket sealing process, and a copper core
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- 14mm thread size, 1.25mm thread pitch shell
- 2.5mm V-cut nickel non-projected centre electrode
- Standard nickel ground electrode
- 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





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