This Icon Vehicle Dynamics K78101 (Stage 1) 0 to 2 inch suspension system for the GMC Sierra 2500HD / Sierra 3500HD is a premium kit that will allow adjustment of your factory torsion bars to allow clearance for large diameter tires, while also greatly improving suspension performance. Icon systems are engineered to increase wheel travel and your vehicle's damping for excellent on and off-road control and superior ride quality.

Icon Front 2.5 VS IR Shocks

The Icon 2.5 VS (vehicle specific valving) IR (internal reservoir) shocks are an awesome dampening upgrade. Using a large 2.5 inch diameter body made of 6061 aluminum allowing for superior dissipation of heat and resistance to corrosion while looking great. Polyurethane bushings and a 7/8 inch chrome plated steel shaft are also featured.

Icon Rear 2.0 VS IR Shocks

The Icon 2.0 VS (vehicle specific valving) IR (internal reservoir) shocks are an excellent dampening upgrade. These nitro gas monotube shocks use a 2 inch diameter body made of 6063 anodized aluminum allowing for great dissipation of heat and resisting corrosion while looking awesome. Polyurethane bushings and a 5/8 inch chrome plated steel shaft are also featured.

Top Features and Benefits

• Allows for adjustment of factory torsion bars to lift front end, no rear lift included
• Superior on and off-road performance over stock suspension
• Premium lift kit with high quality components
• Icon 2.5 Shocks with 2.5 inch 6061 Aluminum Body
• Icon 2.0 Aluminum Series monotube gas rear shocks

Parts Included

• 2.5 IR Shock Sytem with Upper Control Arms | 78722 (Qty: 1)
• Icon 2.0 VS IR Rear Shock Absorber | 76529 (Qty: 2)