The Champion 5843 EZ Start Spark Plug is a high-performance ignition system component designed for gasoline engines. Manufactured in the United States by Champion, this spark plug features a standard configuration and is specifically designed as a replace part for C18 spark plugs. With its small engine plug length, this product is sure to provide reliable and efficient performance for your vehicle. Whether you are looking to replace a worn-out spark plug or upgrade to a more powerful option, this Champion spark plug is a top choice for car and truck owners.