2011-2019 Chevrolet Silverado HD Full Suspension Lift Kit & Shock Extenders 4WD 4x4 | | SUPREME'S NEW HD STEEL LIFT BLOCKS!2x 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

Zinc Coated

Improves the Look of Your Vehicle and Overall Ride Quality & Comfort

Do not allow contact with upholstery

These brackets are will allow you to use your stock rear shocks will a lift kit

IMPORTANT: CHECK YOUR FACTORY STUDS

2x Steel Front Shock Extenders

4x Sway Bar Drop Spacers

2x Front Pro Comp Extended Shocks

Our CNC Machined Torsion Key Unloading tool allows you to remove and install torsion bars and keys safely and easily

*This Kit is NOT compatible with 2007 Classic Models or DENALI models using ADAPTIVE RIDE CONTROL SUSPENSIONS

* FX4 MODELS WILL NOT FIT 3" OR 3

NOTES:  An alignment is always recommended after altering the height of your vehicle