The Genuine GM ACDelco Spark Plug R44LTS6 is a professional-grade spark plug designed for gasoline engines. Made by ACDelco, a trusted brand in the automotive industry, this spark plug is a direct replacement part that ensures optimal performance and ignition. It features a metal surface finish and is manufactured in China. The R44LTS6 spark plug is specifically designed for use in vehicles that require this particular model number for compatibility and efficient functioning.