Description

Champion RN12YC Copper Plus Marine Spark Plug

Champion marine spark plugs are quality OEM replacements. The Champion RN12YC 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.

• Copper Plus for dependable performance
• Copper core electrode allows for accurate control of heat range for longer life
• Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
• Patented SAC-9 semiconductor for maximum EMI & RFI suppression.

Built to ISO and SAE standards for proven performance.

Champion Spark Plug # 404

California Residents: WARNINGCancer and Reproductive Harm – P65Warnings.ca.gov