The CST 15" U-Bolt Kit CSU-C15-15HD for your 2011-2019 GM 2500HD is intended for use with the CST Lift Kit when running a CST Block or CST Leaf Spring.
- 15" U-Bolt Kit
- Works With Specific CST Lift Kits
- 3/4" x 3.25" x 15" Square
Note: These u-bolts can likely be used in many other applications. Please refer to bolt measurements provided above to confirm if not using in a CST specific application. For CST application info, please see your specific lift kit for suggested u-bolt sizes.