1988-1999 GMC K2500 Full Suspension Lift Kit 4WD 4x42x Front Steel Torsion Keys 2x Rear Billet Lift Blocks 2x Front Steel Shock Extenders 4x Premium Electrostatic Powder Coated U Bolts Installation instructions 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". Our

Our Supreme rear coil spacers are precision engineered to lift and level your truck with ease

NOTES: Fits 4wd Models

✔ 2" extension for rear stock shocks

*Will NOT fit vehicles with welded bump stops

When lifting your F-series it is crucial to match the arms mounting points to the frame to maintain the correct OEM geometry and axle position of the truck

IASTM 4130 Chromoly Cold-Drawn Steel from US Steel Mills

*Also fits 2013+ 2WD with Solid Front Axle

2x Rear Bilstein 4600 Shocks

2x Shock Extenders with Hardware

Front torsion keys are adjustable anywhere from 1

**Does not fit Dually Models

NOTES: Will fit 2007 Classic Model Only