1999-2021 GMC Sierra 1500 Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! Block Size:5" Tall Blocks - 9/16 Pin It improves the look of

It improves the look of your vehicle and provides for a more impressive stance

Rear shocks will require tab grinding

Dodge Ram 2500 Wheel Spacers increase inner wheel clearance

May require extended U-Bolts for overload

1999-2021 GMC Sierra 1500 Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! Block Size:5" Tall Blocks - 9/16 Pin It improves the look ofIncludes 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.