With a firm dedication to outstanding quality, innovative technology, sustainability and business foresight, NGK SPARK PLUG has become the world's number one in spark plugs and sensors. NGK have been developing spark plug technology since the 1930's and manufacture plugs for every type of automotive engine. In fact, NGK stocks over 1,000 different types of spark plug and every product matches even the most demanding manufacturers specifications. The vast experience and technology that NGK has ensures that there is no doubt that NGK are the world's number one spark plug.