Skyjacker 2011-2017 GMC Sierra 3500 HD 4 Wheel Drive Suspension Block and U-Bolt Kit

This Skyjacker suspension block and U-bolt kit is designed to give your 4WD truck a lift in the rear. It's a popular choice for owners looking to add a bit more height for larger tires or a more aggressive stance. The kit includes everything you need to get that rear lift sorted out, making it a straightforward addition to your truck's suspension setup.

The U-bolts in this kit are e-coated to help them resist corrosion, which is important for parts exposed to the elements. The blocks themselves are made from ductile iron and feature fixed center pins. They're also tapered, a smart design choice that helps correct the driveshaft's pinion angle. This is key to preventing those annoying driveline vibrations that can sometimes come with lifting a vehicle.

This kit is a solid option for a range of GM trucks from 2011 through 2018, including models like the Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD, as well as the 3500 HD models. It's a well-built set that addresses common needs when lifting the rear of your truck.