NGK Standard Spark Plugs are engineered to meet the rigorous demands of marine engines, featuring a copper core to promote heat dissipation and more efficient operation. These plugs come pre-gapped for your convenience and utilize a solid terminal to ensure positive contact with spark plug wires. With a pure alumina silicate ceramic insulator and a triple seal to prevent leakage, these plugs provide superior strength and reliability on the water.
- Copper core promotes heat dissipation and efficient operation
- Solid terminal assures positive contact with spark plug wires
- Pre-gapped to engine manufacturer's specifications
- Trivalent metal plating provides anti-corrosion and anti-seizing properties
- Replace all engine plugs at the same time for peak performance
