Mercury Marine Resistor Spark Plugs are engineered to reduce radio frequency interference (RFI) with sensitive onboard electronics and GPS systems. These plugs meet original equipment manufacturer specifications to ensure your engine runs with optimum performance and fuel economy. The copper core electrode provides high conductivity to maintain the ideal temperature operating range for your engine.
- Resistor type design reduces RFI interference to onboard electronics
- Meets Mercury Marine original equipment manufacturer specifications
- Copper core electrode increases conductivity and reduces wear
- Ensures optimum engine performance and starting reliability
- Always replace spark plugs as a set for consistent performance
