2011-2019 GMC Sierra 3500HD Full Suspension Lift Kit & Shock Extenders 4WD 4x4 Avalanche 2x Pro Comp Extended Rear

2x Pro Comp Extended Rear Shocks

Our Rear shackles are made of High Strength Carbon-Steel and cut through a series of computer controlled processes

IMPORTANT: FITS FRONT OR REAR

Each spacer features splined studs that are pressed into place rather than glued as in many of the lesser

Lug Pattern: 6 x 139

2011-2019 GMC Sierra 3500HD Full Suspension Lift Kit & Shock Extenders 4WD 4x4 Avalanche 2x Pro Comp Extended Rear2x Front Steel Torsion Lift 2x Rear Billet Lift Blocks 2x Front Shock Extenders 4x Premium Electrostatic Powder Coated U Bolts Installation instructions IMPORTANT: FITS 8 LUG MODELS ONLY Please check out our installation video: Our Max Torsion Key Lift Kits are engineered with twice the strength of the factory system and precision indexed to lift your truck without sacrificing ride quality. This kit replaces your factory torsion key and is precision