Mercury Marine Quicksilver Champion RA8HC Copper Plus Spark Plug 2026 Watersports Collection The Mercury Marine Water System

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Mercury Marine Quicksilver Champion RA8HC Copper Plus Spark Plug 2026 Watersports Collection The Mercury Marine Water SystemThese Champion spark plugs use a gasket for seating to the engine block and feature a threaded, removable terminal. Use only the spark plug listed in your engine owners manual. Using the wrong plug can reduce optimum performance, reduce fuel economy or cause damage to your engine. Spark plugs are easy to change with common spark plug sockets. Features Resistor type spark plugs help reduce radio frequency interference (RFI) to onboard electronics This