NGK Laser Iridium Spark Plugs (IZFR5J) are designed with a fine-wire tipped center electrode for a slow wear rate and stable engine idle. These plugs improve fuel efficiency and lower emissions while providing superior anti-fouling. The ribbed suppressor seal and copper core ensure long-lasting durability on the water.
- Fine-wire center electrode for improved fuel efficiency
- Superior anti-fouling and stable engine idle
- Copper core for better heat transfer and service life
- Trivalent metal plating protects against marine corrosion
- Check gap prior to installation as per manufacturer specs
