2011-2019 GMC Sierra HD Full Suspension Lift Kit & Shock Extenders 4WD 4x4 | SUPREME'S NEW HD STEEL LIFT BLOCKS! Rear Lift:1.5" *Factory 1/2" u-bolts are being

*Factory 1/2" u-bolts are being replaced with upgraded 9/16" u-bolts which requires enlarging retainer plate holes

Supreme Suspensions is proud to carry Pro Comp PRO-X Twin Tube Shock Absorbers to replace your factory shocks after installing a lift kit

borrow or rent a generic "compressor" tool just to find out it won't work for your truck

Our Pro-Billet Series wheel spacers for GMC Yukon XL 1500 are precision engineered to widen your track-width

✘ Does NOT fit Mega Cab Models

2011-2019 GMC Sierra HD Full Suspension Lift Kit & Shock Extenders 4WD 4x4 | SUPREME'S NEW HD STEEL LIFT BLOCKS! Rear Lift:1.5" *Factory 1/2" u-bolts are being2x Front Steel Torsion Keys 2x Front Shock Extenders 2x Rear Steel Lift Blocks 4x Premium Electrostatic Powder Coated U Bolts Installation instructions Precision CNC Machined for Outstanding Performance and Quality Proprietary Protective Coating to Prevent Oxidation, Corrosion & Rust Increase Ground Clearance & Install Custom Plus Sized Rims & Tires IMPORTANT: Fits 4x4 8 Lug Models Only. This kit will NOT work with rear OVERLOADS or DUALLY Models, as