2001-2010 GMC Sierra HD-Series Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! Block Size:4" Tall Blocks - 9/16 Pin loaded or unloaded

loaded or unloaded

We complete this kit with high grade hardware and extended OEM spec zinc plated U-bolts

Fits Non-Overload Models

typically 0

Billet Aluminum is the best material to use when leveling your truck due to the sheer weight and amount of rebound your spring endures from daily driving

2001-2010 GMC Sierra HD-Series Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! Block Size:4" Tall Blocks - 9/16 Pin loaded or unloadedIncludes 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.