NGK DCPR8EKC Spark PlugNGK DCPR8EKC Spark Plug NGK Spark Plugs serves as a lighter to ignite the air fuel mixture under extreme conditions. A spark plug must dissipate the heat produced by the combustion gasses. NGK sets standards in meeting the highest quality requirements. With advanced technology, NGK ensure a performance standard for spark plugs that can withstand even extreme conditions. Over 90% of all Japanese motorcycles are equipped with NGK products ex works!