2011-2019 GMC Sierra HD Full Suspension Lift Kit & Shock Extenders 4WD 4x4 | SUPREME'S NEW HD STEEL LIFT BLOCKS! 350Z An alignment is always recommended

An alignment is always recommended when lifting your vehicle

An alignment is always recommended if you are altering the height of your vehicle

Includes 2 Rear High-Strength Steel Lift Blocks with Built-In Bump Stop Plates

2x Coil Spring Compressors

Important: Fits 6-Lug Models Only

2011-2019 GMC Sierra HD Full Suspension Lift Kit & Shock Extenders 4WD 4x4 | SUPREME'S NEW HD STEEL LIFT BLOCKS! 350Z An alignment is always recommended2x 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