1999-2007(Classic) GMC Sierra 1500 Full Suspension Lift Kit w/ Shims, Tool & Extended Pro Comp Shocks 4WD Rear Lift:1" Our shackles include pre-pressed poly

Our shackles include pre-pressed poly bushings for a superior lifted ride quality and are fitted with zerk grease fittings making them easily serviceable to keep your bushings from drying out and eliminate the need for replacement over time

IMPORTANT: * For 2010-2014: can be either [9/16" x 18] or [M14 x 1

Supreme Suspensions® offers 2

IF YOU FEEL YOU CAN WORK YOUR WAY AROUND THIS

1999-2007(Classic) GMC Sierra 1500 Full Suspension Lift Kit w/ Shims, Tool & Extended Pro Comp Shocks 4WD Rear Lift:1" Our shackles include pre-pressed poly2x Front Lift Steel Torsion Keys 2x Rear Billet Lift Blocks Anodized Black 4x Premium Electrostatic Powder Coated U Bolts 2x Pinion Alignment Shims 1x Torsion Key Unloading Tool 2x Front Pro Comp Extended Shocks 2x Rear Pro Comp Extended Shocks Installation Instructions IMPORTANT: May require extended U Bolts for overloads. Fits 6 Lug models ONLY Our Max Torsion Key Lift Kits are engineered with twice the strength of the factory system and precision