2001-2010 GMC Sierra HD-Series Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! C3500 Our extended U-bolts rise to

Our extended U-bolts rise to expectation by being ISO 9001 certified and stamped and exceed current standards in the auto industry

With their high strength and durability

with more than 115 in² of total coverage

• Will NOT Fit 2007 Classic Models

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

2001-2010 GMC Sierra HD-Series Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! C3500 Our extended U-bolts rise toIncludes 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.