NGK Spark Plug is a European company with Japanese roots specializing in the production of spark plugs for motorcycles and cars. The group is represented all over the world by numerous commercial branches, production plants and technical centers. The complete range of spark plugs from NGK includes a wide range of product types: from the standard spark plug to the precious metal spark plug, up to the double precious metal spark plug. NGK therefore offers the optimal solution for virtually every engine. High-performance spark plugs with iridium central electrode are used by many car manufacturers in original equipment. They have been specially developed for the most technologically modern engines, but are an alternative to standard types even in older models to optimize the combustion process.