NGK Standard Spark Plugs are the reliable choice for marine engine maintenance, featuring a copper core to promote heat dissipation and a solid terminal for positive wire contact. Pre-gapped to your manufacturer's specifications, these plugs utilize a pure alumina silicate ceramic insulator for superior strength and heat transfer. Trivalent metal plating ensures easy removal and protection against the corrosive marine environment.
- Pre-gapped to engine manufacturer’s specifications
- Copper core ensures efficient spark and heat dissipation
- Solid terminal provides positive contact with spark plug wires
- Trivalent metal plating for superior anti-corrosion and anti-seizing
- Produced to meet Mercury Marine original equipment manufacturer specifications