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 Supreme Suspension heavy duty rear

Supreme Suspension heavy duty rear shock extenders are perfect for extending your rear shocks after installing a lift kit

5" Lift Blocks)

*** Does not fit Dually Models

NOTES: * Front torsion keys are adjustable anywhere from 1" to 3"

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 Supreme Suspension heavy duty rearIncludes 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.