2011-2019 GMC Sierra HD Full Suspension Lift Kit & Shock Extenders 4WD 4x4 | SUPREME'S NEW HD STEEL LIFT BLOCKS! Rear Lift:1.5" ✘ Does NOT fit Mega

✘ Does NOT fit Mega Cab Models

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

Includes 12 Pack of 3/4" Longer than Stock Wheel Studs

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

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

2011-2019 GMC Sierra HD Full Suspension Lift Kit & Shock Extenders 4WD 4x4 | SUPREME'S NEW HD STEEL LIFT BLOCKS! Rear Lift:1.5" ✘ Does NOT fit Mega2x 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