The Flex-A-Lite 2 Inch Mill Finish Fan Spacer Kit comes with everything you need to help correctly position a belt-driven cooling fan. Required for all Flex-A-Lite belt-driven fan car parts, this aluminum spacer is designed to prevent damage to the fan. It features a large load-bearing surface and is machined with a soft radius around the exterior edges, reducing point loading to prevent stress cracking on the radiator fan center star. This automotive spacer kit is especially needed when eliminating the fan clutch from your fan assembly and includes 5/16-inch bolts and washers to install the fan and fan spacer. This auto parts spacer kit comes with a one-year manufacturer warranty, providing peace of mind for car enthusiasts who demand quality and reliability.