NGK LMAR9AI-8 97225 Spark Plug Copper Core LMAR9AI8

The NGK LMAR9AI-8 97225 Spark Plug with copper core delivers reliable ignition and consistent performance across a wide range of engines. Designed with a copper core for fast heat transfer and a durable center electrode, this 10mm diameter plug reduces fouling and promotes smooth idling. The LMAR9AI-8 features NGK’s advanced insulated design and precise gap specification to maximize combustion efficiency, improve throttle response, and extend spark plug life in demanding conditions. Ideal for outdoor power equipment and light motorcycles, cars, or small engines that require strong ignition performance. Installation is straightforward with standard 10mm threads and robust sealing to prevent leaks. Choose LMAR9AI-8 for steady starts, improved fuel economy, and dependable starts under load.