Mercury Resistor Spark Plugs are engineered to meet original equipment manufacturer specifications to protect your engine and ensure optimum performance. The copper core electrode provides high conductivity and heat dissipation, maintaining the ideal temperature range for your engine. Resistor type plugs are essential for reducing electrical interference with modern onboard electronics.
- Resistor type design reduces RFI interference to onboard electronics
- Copper core electrode increases heat conductivity and reduces wear
- Meets Mercury Marine original equipment manufacturer specifications
- Ensures optimum engine performance and starting reliability
- Always use the spark plug listed in your owner's manual to prevent damage
