2001-2010 GMC Sierra HD-Series Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! Block Size:4.5" Tall Blocks - 9/16 Pin Proprietary Protective Coating to Prevent

Proprietary Protective Coating to Prevent Oxidation

Includes 1x Front Lift Brackets

NOTES: 1992-1999 GMC YUKON FITS 4WD MODEL ONLY

or have its arc deform over time due to heavy loads or severe off-road conditions

2x Front Bilstein Shocks (Solid Front Axle)

2001-2010 GMC Sierra HD-Series Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! Block Size:4.5" Tall Blocks - 9/16 Pin Proprietary Protective Coating to PreventIncludes 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.