SPARK PLUG (86-3133) transmits electric current from an ignition system to a spark-ignition engine's combustion chamber, allowing an electric spark to ignite a compressed fuel/air mixture while...
The Spark Plug BR9HS-10 (86-4551) provides greater ignitability, increased throttle response, and superior anti-fouling for the performance enthusiast. The laser-welded small Iridium tip ensures...
If you had difficulty starting the engine, lost engine power, or experienced decreased acceleration, your boat's spark plugs may be failing or in poor condition. Invest in a high-quality spark plug...