The NGK Spark Plugs (U.S.A.), Inc. is a world leader in the design of spark plugs and oxygen sensors. From their start in 1936 through today, the NGK product line is proof of the company's dedication to innovation, performance, and quality. In order to deliver high-quality spark plugs and oxygen sensors to the automotive community, NGK created the NTK Technical Ceramics division. With it, NGK / NTK have been able to partner with auto manufacturers to engineer automotive parts that fit both the vehicles of today and of the future.NGK's attention to performance excellence is what has differentiated them from the competition and allowed them to be the number one supplier of NGK plugs and oxygen sensors. From their Racing Spark Plugs, cold performance NGK Iridium Spark Plugs like Iridium IX and Laser Iridium, and performance spark plugs like NGK Platinum and NGK V-Power to their economical NGK G-Power Spark Plugs, Oxygen Sensors, NGK Spark Plug Wires, and Ignition Coils and Boots, the company dominates this automotive niche and continues to produce the best spark plugs for millions of drivers.