Champion Spark Plugs Spark Plug 121

Champion RV8C Copper Plus Marine Spark Plug

Champion marine spark plugs are quality OEM replacements. The Champion RV8C 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 # 121

Frequently Asked Questions

• What is the Champion RV8C Copper Plus Marine Spark Plug? The Champion RV8C Copper Plus Marine Spark Plug is a quality OEM replacement featuring a copper core electrode. The electrode provides increased conductivity and heat control, while the Copper Plus design is intended to provide dependable performance and accurate heat range control for longer life.
• How does the copper core electrode benefit the Champion RV8C Spark Plug? The copper core electrode provides increased conductivity and heat control while allowing accurate control of the spark plug's heat range. According to the product description, this design supports good overall wear and longer life.
• How does the Champion RV8C Marine Spark Plug resist corrosion? The Champion RV8C Marine Spark Plug features a patented TinTac and ULTRASEAL coated shell designed for maximum corrosion resistance. This coating is part of the plug's construction for marine applications.
• Does the Champion RV8C Spark Plug provide EMI and RFI suppression? Yes. The Champion RV8C Spark Plug features a patented SAC-9 semiconductor designed for maximum electromagnetic interference (EMI) and radio-frequency interference (RFI) suppression.
• What standards does the Champion RV8C Copper Plus Marine Spark Plug meet? The Champion RV8C Copper Plus Marine Spark Plug is built to ISO and SAE standards. The product description identifies these standards as supporting proven performance.
• What is the Champion part number for the RV8C Marine Spark Plug? The Champion part number for the RV8C Marine Spark Plug is 121. The product description identifies it as Champion Spark Plug #121.