2001-2010 Chevy Silverado 2500HD & Extended Pro Comp Shocks 4WD 4x4 DOM Supreme Suspensions MAX-Torsion Keys are

Supreme Suspensions MAX-Torsion Keys are precision engineered from forged and cold-rolled High-Strength Steel

completely welded to the frame

fit larger wheels and tires or some extra ground clearance out on the trails

They're also manufactured with provisions for center axle alignment pins

2001-2010 Chevy Silverado 2500HD & Extended Pro Comp Shocks 4WD 4x4 DOM Supreme Suspensions MAX-Torsion Keys are2x 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