2001-2010 GMC Sierra 1500HD & Extended Pro Comp Shocks 4WD 4x4 T100 Front torsion keys are adjustable

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

They are a monotube construction with a hardened piston rod vs

Enhance the look of your Chevy Silverado 1500 and run larger tires with Supreme Suspension® 2"

5 and 4" axles

borrow or rent a generic key removal tool just to find out it won

2001-2010 GMC Sierra 1500HD & Extended Pro Comp Shocks 4WD 4x4 T100 Front torsion keys are adjustable2x Front Lift Steel Torsion Keys 2x Front Pro Comp Extended Shocks 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". Supreme Suspensions is proud to carry Pro Comps upgraded shock series