The Flex-A-Lite Thread-On Fan Spacer and Adapter is a right-hand threaded fan adapter necessary to replace the clutch fan. This car parts adapter has a thread pitch of 30mm by 1.5 inches and screws onto the water pump as a fan clutch and hub replacement. The cooling fan then bolts directly to the adapter. It also functions as an aluminum spacer that can be used with an additional Flex-A-Lite spacer to achieve correct belt-driven fan placement. This auto parts spacer adapter comes with a one-year manufacturer warranty, providing peace of mind for car enthusiasts who demand quality and reliability.