This set of 4 U-bolt kit for the Chevy Silverado 3500HD and GMC Sierra 3500HD includes high nuts and is E-coated to protect from the elements.

This ubolt kit includes (4) U-bolts that are 3/4 in X 3-1/4 in X 18 in.

These U-bolts are designed to fit with a 4 inch block height. That is total block height. Regardless of how many blocks you have.

Disclaimer: Due to the many variables and options for every vehicle, measuring your u-bolt's to insure you're getting the right ones, is crucial. We will not be responsible for freight back to us if you order the wrong U-bolts for your vehicle, even if our listing says they will fit your vehicle, this may not always be the case. You must measure them still. This application will most likely fit your vehicle, but due to all the factory and after-market options, this is not always the case. Please measure them carefully to avoid issues.

Use the diagram below to measure your U-bolts.