1999-2021 GMC Sierra 1500 Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! Avalanche 2500 It allows you to easily

It allows you to easily align the front and rear axle in minutes to get the correct length

this premium lift material will never compress or warp under even the most excessive loads or extreme riding conditions

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

Our Pro-Billet Series Strut Spacer Lift Lits for Toyota FJ Cruiser are precision engineered from 6061-T6 billet aluminum

Installation instructions included

1999-2021 GMC Sierra 1500 Rear Suspension Lift Blocks 2WD 4WD | SUPREME'S NEW HD STEEL BLOCKS - 9/16 PIN! Avalanche 2500 It allows you to easilyIncludes 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.