The product is a set of 8 DENSO #3422 / SKJ16DR-M11 long-life iridium power plugs designed for Honda and Acura vehicles. These plugs are manufactured in Japan and come with a manufacturer warranty. The plugs feature an iridium power surface finish for enhanced performance and durability. The specific part numbers included are SKJ16DR-M11, 3422, izfr5k11, izfr5k, and 3657, making them suitable for various models within the Honda and Acura lineup.