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Add to CartChampion marine spark plugs are quality OEM replacements. The Champion L78V 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 # 833M
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Champion L78C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion L78C Spark Plug features a copper core electrode that provides increased conductivity and heat...
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Champion RN2C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RN2C Spark Plug features a copper core electrode that provides increased conductivity and heat...
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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...
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Champion RS9YC Copper Plus Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RS9YC Spark Plug features a copper core electrode that provides increased...
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Champion RV12YC Copper Plus Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RV12YC Spark Plug features a copper core electrode that provides increased...
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