Resistor type spark plugs are engineered to meet Mercury Marine original equipment manufacturer specifications, ensuring optimum performance and fuel economy while protecting your engine. The specialized copper core electrode increases heat conductivity to maintain an ideal temperature operating range and provides excellent wear characteristics. Additionally, the resistor design helps reduce radio frequency interference (RFI) to protect sensitive onboard electronics like GPS and sonar.
- Meets Mercury Marine original equipment manufacturer specifications
- Resistor design reduces RFI interference to onboard electronics
- Copper core electrode optimizes heat conductivity and operating range
- Ensures stable idle and peak engine performance
- Always use the specific plug listed in your owner's manual
