NGK’s standard plugs are constructed for longer life and optimum performance. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties in addition to 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
- 14mm thread size, 1.25mm thread pitch shell
- 2.5mm standard nickel non-projected center electrode
- Low angel nickel ground electrode





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