1999-2007(Classic) GMC Sierra 1500 1-3" Front Suspension Lift Kit 4WD 4x42x Front Lift Steel Torsion Keys Installation Instructions Fits 6 Lug Models Only 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 indexed to lift and level your front end any amount from 1" to 3". NOTES: Front torsion keys are adjustable anywhere from 1" to 3". A torsion bar

NOTES: Front torsion keys are adjustable anywhere from 1" to 3"

5" Front Spacer Will Not Fit Rock Warrior Models

Front torsion keys are adjustable anywhere from 1

Failure to do so can result in throwing off your trucks handling and alignment

4x Front And Rear Pro Comp Pro-X Series Shocks

To maximize their strength and resistance to deformation

2x Front Skid Plate Spacers

This kit also includes our high strength steel stud extenders to ensure that your coils are held in place firmly and securely

5-3" front lift kit

2x Rear Poly Lift Spacers

2x Front Lift Steel Torsion Key

Also included in this kit are our shock extenders