2011-2019 GMC Sierra 3500HD U-bolts+ Rear Lift Blocks 3/4th Axle Alignment Pins 1994 NOTE: *Some modification to rear

NOTE: *Some modification to rear control arms is required

Professional Protective Coating to Prevent Oxidation and Rust

Protect the undercage of your truck

This kit comes complete with 4 vibration isolator pads for quiet and smooth ride and all necessary high grade hardware including extended spring center pins

Supreme Suspensions is proud to carry ProComp's shock series to replace your factory shocks when you install your lift kit

2011-2019 GMC Sierra 3500HD U-bolts+ Rear Lift Blocks 3/4th Axle Alignment Pins 1994 NOTE: *Some modification to rear2x Rear Lift Blocks with 3 4" Pin 4x Electrostatic Powder Coated U Bolts Installation Hardware Notes: Will Fit 8 Lug Models Only. DESIGNED FOR MODELS WITH SINGLE 3 4th AXLE PIN HOLES. Please check you rear suspension setup before ordering. An alignment is always recommended after altering the height of your vehicle. We are proud to introduce our New Heavy Duty Steel Lift Blocks, precision engineered by our experts not only to lift your truck but to