The Genuine Porsche Spark Plug - 99917023790 is a high-quality spark plug designed specifically for Porsche vehicles. It is made with premium materials and advanced technology to ensure reliable ignition and efficient combustion. This spark plug is an essential component of the engine, responsible for creating the spark that ignites the air and fuel mixture. It is a direct replacement for the original spark plug in Porsche vehicles and is recommended for optimal performance and longevity. This product is a genuine Porsche part, ensuring compatibility and durability.