Arnold's AC7R Universal Spark Plug is a durable, high-performance replacement spark plug designed to provide reliable ignition and consistent engine operation for a wide range of small engines. Engineered for efficient combustion, it ensures easy starting, smooth performance, and reduced misfires while helping maintain optimal fuel efficiency and responsiveness. With broad compatibility and long-lasting construction, this universal spark plug is an ideal choice for routine maintenance, supporting dependable performance in lawn mowers, garden equipment, and other outdoor power machinery. | Arnold AC7R Universal Spark Plug