Champion 121 RV8C Copper Plus Spark Plug Marine

The Champion RV8C spark plug delivers reliable ignition performance with focused spark energy and built-in RFI suppression to protect sensitive marine electronics. This copper plus spark plug is engineered specifically for marine applications including inboard, I/O, outboard motors, and personal watercraft.

Key Features:

• Triple-coated shell provides excellent corrosion resistance in harsh marine environments
• Triple-seal assembly offers industry-leading durability and leak prevention
• Precision-rolled threads ensure proper fit and conform to all manufacturer specifications
• SAC-9 RFI suppressor protects radio and navigation equipment from interference
• Copper core center electrode for optimal heat transfer and conductivity
• Made in USA with Champion's proven quality standards

RFI Suppression Technology:

The RV8C features Champion's SAC-9 resistor suppressor, constructed from strontium carbonate, aluminum oxide, and copper oxide powders. This resistor design effectively limits Radio Frequency Interference without compromising ignition performance, ensuring your onboard electronics operate without disruption.

Application Notes:

Consult your engine owner's manual to verify the correct spark plug specification for your application. Using the proper plug type is essential for optimal engine performance and reliability.