NGK Laser Iridium Spark Plugs (IZFR6J) are engineered for superior ignitability and a longer service life. Featuring a copper core and a ribbed suppressor seal to prevent spark flashover and misfire, these plugs come pre-gapped for your convenience. The Trivalent metal plating provides superior anti-corrosion and anti-seizing properties in harsh marine environments.
- NGK Laser Iridium delivers stable spark and superior anti-fouling
- Copper core for better heat transfer and durability
- Trivalent metal plating for easier removal and anti-seizing
- Ribbed suppressor seal prevents spark "flash over"
- Meets Mercury Marine original equipment manufacturer specifications