This Icon Vehicle Dynamics K77101 (Stage 2) 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 bar keys 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 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.

Icon Tubular Upper Control Arms with Delta Joints

Icon's tubular steel upper control arms are constructed from CNC bent 1026 DOM steel tubing for excellent strength. Featured are the amazing Delta Joints that combine the durability of a ball joint with the performance of a uni-ball. Ideal when paired with Icon coilovers to increase wheel travel which translates into better suspension performance and ride quality. Engineered with built-in caster correction for optimal alignment specs, serviceable dual stage poly bushings and a black semi-gloss powder coat finish for durability.

Top Features and Benefits

• Allows for adjustment of factory torsion bars keys 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 2.0 Aluminum Series monotube gas shocks
• Icon Upper Control Arms made of Tubular Steel for great strength and caster correction
• Delta Joint used in upper control arms combine the durability of a ball joint with the performance of a uni-ball

Parts Included

• Tubular Upper Control Arm Kit with Delta Joint | 78550DJ (Qty: 1)
• Icon 2.0 VS IR Front Shock Absorber | 76528 (Qty: 2)
• Icon 2.0 VS IR Rear Shock Absorber | 76529 (Qty: 2)