Champion REC10YC4 Marine Spark Plug
Champion marine spark plugs are quality OEM replacements. The Champion REC10YC4 Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark plugs are designed to resist overheating under heavy engine loads.
- Dependable and durable
- Copper core electrode allows for accurate control of heat range for longer life
- Patented SAC-9 semiconductor for maximum EMI & RFI suppression.
Built to ISO and SAE standards for proven performance.
Champion Spark Plug # 975