The Champion Copper Plus 71S Spark Plug, part of a carton of 24, is designed to bring optimal performance to any vehicle engine. This high-performance spark plug features a ceramic cap with a rugged brush tip, ensuring consistent and reliable ignition. The primary ignition electrode, exposed to the combustion chamber, utilizes durable copper for enhanced durability and improved performance compared to traditional spark plugs. The ceramic construction helps insulate the spark, reducing heat transfer and extending electrode life. Champion Copper Plus Spark Plugs are known for their reliability and high precision, making them a great choice for both stock and modified engines.