NGK are unsurpassed spark plugs for your boat engine

NGK spark plugs are designed for longer life and optimal performance and are therefore perfect for boat engines where the demands are high.

That's why NGK is suitable for outboard and inboard engines

• Trivalent metal coating provides superior anti-corrosion and anti-seize properties.


• Corrugated ribs prevent "flashover"


• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer


• Copper core helps with heat removal


• Triple seals prevent leakage