Why should you choose NGK spark plugs? From your car to your motorcycle, or from Formula 1 to endurance racing or Moto GP, NGK Spark Plug has become one of the largest and most respected manufacturers due to its expertise and know-how. With the goal of always delivering the best quality and setting even higher targets, NGK Spark Plug remains an indispensable choice for many manufacturers. To meet the increasing demands, NGK Spark Plug continuously invests in research and development. The result: our company produces over 1000 different spark plugs for all types of engines, whether for motorcycles, boats, motorsport, or many other applications. That’s why NGK's product range offers the right product for every engine and every purpose. Optimized development for the best performance, a wide range of heat ratings for all applications, and optimal lifespan. 0.0555 kg.