Champion L77JC4 Marine Spark Plug
Champion marine spark plugs are quality OEM replacements. The Champion L77JC4 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.
Champion Spark Plug # 821
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Other Details
Champion QL77JC4 Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion plug QL77JC4 features a copper core electrode that provides increased conductivity and heat...
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