Champion RA6HC Marine Spark PlugChampion marine spark plugs are quality OEM replacements. The Champion RA6HC 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. Resists fouling; Superior corrosion resistance; Dependable and proven performance; Increased conductivity and heat control for good overall wear; Champion Spark Plug # 809Application: Honda; BF20A OHC, 4-Stroke 20 HP;