Curb Hoppers0My CartWehrs Machine Racing ProductsSpring Cup - Drop Bearing - Upper - Bolt-On - Swivel - 4 in Tall - 1-8 in Thread - 9 in Jack Bolt Included - Steel - Black Paint - 5.5 in Springs - KitListing ID: 1268317Manufacturer Part Number: WM2889T-5.5Out Of StockBrand NewCopyright (C) 2019-2024 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.