The product is a lot of 8 ACDelco spark plugs with the part number 19417095 R42T. These spark plugs are designed for ignition systems in cars and trucks, providing a reliable and high-quality solution for maintaining optimal engine performance. ACDelco is a well-known brand in the automotive industry, known for producing durable and dependable parts and accessories. Made in China, these spark plugs offer a consistent and efficient spark for improved engine functionality.