2001-2010 GMC Sierra HD-Series Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! 1978 Install for the whole kit

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

our Double-Sided Reinforced Shackles are specifically designed to replace the thin

Includes 1x Transmission Brace

* PLEASE CHECK YOUR TRUCK'S SUSPENSION SETUP BEFORE ORDERING

Fits independent front suspension models only

2001-2010 GMC Sierra HD-Series Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! 1978 Install for the whole kitIncludes 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.