The product is a set of 2 NGK 6994 IZFR6K11 Laser Iridium Spark Plugs designed for various vehicles, including those compatible with Autolite XP5224 and DENSO VK20PRZ-11 models. These spark plugs feature an OE/OEM Part Number of 6994 and a Manufacturer Part Number of IZFR6K11. The plugs are 3.310 inches in length and are interchangeably compatible with a range of Denso, Champion, Autolite, Bosch, and Honda spark plug models.