1999-2021 GMC Sierra 1500 Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN!Includes 2 Rear Lift Blocks Specifically designed for vehicles equipped with factory lift blocks. Precision Laser Cut for Outstanding Performance and Quality. 1 Piece CNC Formed Steel Frame for Maximum Strength and Stability. Heavy Duty GMAW Seam and Fillet Welding Processes to Ensure Maximium Resistance. Built In Tapper to Optimize Pinion Angles and Preserve Stock Ride Quality. Reinforced 9 16th Center Pin to Ensure Stability and Easy Installation.

Install for the whole kit can be completed in 2-3 hours using hand tools

The rear lift blocks are machined from

ensuring a long lifetime of durability and easy maintenance

Includes 24 Pack of 3/4" Longer than Stock Wheel Studs

This kit comes complete with 4 vibration isolator pads for quiet and smooth ride and all necessary high grade hardware including extended spring center pins

Supreme Suspension heavy duty steel lift shackles have been designed to lift your trucks rear-end 2

and will allow you to modify your axle angles to rid your front end of unwanted vibration

• Includes High Strength 12

*Does NOT Fit Models with rear Overload Springs

or 2" rear Dodge Ram 2500 lift & leveling options to enhance the clearance

Triangulated perpendicular braces help suppress unwanted lateral movement of the drivetrain

IMPORTANT: Designed to fit for a 2-4" Lift