1999-2007 GMC Sierra 1500 4WD Full Suspension Lift Kit with Axle Shims & MAX Performance Shocks Rear Lift:2" We've also incorporated an integrated

We've also incorporated an integrated raised lip into each front spacer to ensure proper spring alignment and prevent slip-outs under harsh suspension angles

The extended length of our shocks over factory lengths provides you with the ability to use your suspension

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

Our PRO-Billet Spring Spacers are precision CNC machined from T6 Aircraft Aluminum

These spacers are Precision CNC machined from High Quality 1/4" Thick Solid Steel

1999-2007 GMC Sierra 1500 4WD Full Suspension Lift Kit with Axle Shims & MAX Performance Shocks Rear Lift:2" We've also incorporated an integrated2x Front Adjustable Cold Rolled Steel MAX Torsion Keys 2x High Strength Steel Rear Tapered Lift Blocks 4x Premium Electrostatic Powder Coated U Bolts 2x T6 Billet Aluminum Rear Axle Alignment Shims 4x Supreme Suspensions Branded MAX Performance Shocks 4x Premium Silicone Blend Shock Boots Installation Hardware and Instructions Notes: Compatible only with 4WD 6 Lug Models and 2007 Classic Model. THIS KIT WILL NOT WORK WITH REAR OVERLOAD SPRINGS OR