Mercury Resistor Spark Plugs are engineered to meet original equipment manufacturer specifications to best protect your engine and ensure optimum performance. The copper core electrode increases heat conductivity for an optimal temperature operating range. Resistor type plugs also help reduce radio frequency interference (RFI) to sensitive onboard electronics.
- Meets Mercury Marine original equipment manufacturer specifications
- Resistor type design reduces RFI interference to onboard electronics
- Copper core electrode increases heat conductivity for stable performance
- Ensures optimum engine temperature and electrode wear characteristics
- Always use the spark plug listed in your owner's manual to prevent engine damage
