🟢LONG HISTORY - In 1961, Zhuzhou torch spark plug. Co.,ltd. was established at Lukou, Zhuzhou, CHINA. In 1993，TORCH was listed as Shenzhen stock exchange. In 2006，TORCH has become china’s largest spark plug production and R&D base. Subsequently, TORCH bought the full set of equipment and technical patent from DELPHI U.S.A. Spark plug factory, ride into the forefront of the world! 🟢SPECIFICATIONS - Thread Size:M10*1MM, Thread Reach:12.7MM ,Hexagon Size:16MM. Please check for correct specifications and measurements for your application!!! 🟢COMPATIBILITY - TORCH spark plug A6RTC Replaces for NGK 2983/CR6HSA Spark Plug, for Denso IUF22 U20FSR-U Spark Plug, for Champion 889 Z6 Spark Plug, for Brisk NAR15YS,for Bosch UR4AS UR6AC,for Autolite 4194. 🟢PERFORMANCE - Longer Service Life · Fast Starts · Reduce Emissions · Improve Fuel Efficiency · Stable Performance. 🟢APPLICATIONS - Spark plugs are an important part of the ignition system of gasoline or gas engines, and are widely used in many fields such as automobiles, motorcycles, aircraft, garden tools, yachts and industrial engines. specifically designed to increase power, reduce fuel consumption and improve hydrocarbon emissions.