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ICON 2011-2016 GM 2500HD/3500 6-8" Torsion Drop Suspension System - Stage 1


The ICON 2011-2016 Chevy/GMC 2500HD/3500 6-8" Stage 1 Torsion Drop Suspension System was engineered to offer superior ride quality, performance, component protection, and reliability all in one complete package. With over a year of development and testing our suspension system is sure to perform with great on or off road handling and drivability. System components and features include a heavy duty boxed sub-frame with integrated differential and transmission skid plates, precision CNC machined cast iron spindle knuckles, adjustable lift height, V.S. 2.5 Series front with 2.0 Aluminum Series rear shocks, rear lift blocks w/ built in bump stops, and tubular Delta Joint upper control arms. Additional stages are available that include 2.5 Series piggyback shocks front and rear, as well as the Torsion Relocation Bracket Kit (go to 6-8" Suspension Systems w/ Torsion Relocation System) that keeps the factory torsion bars mounted in the OEM location.

This system features upper control arms with ICON's patent pending Delta Joint. The Delta Joint is a heavy duty high angle ball joint that combines the durability of a ball joint with the performance characteristics of a traditional uniball. While the industry standard uniball does a great job of allowing the control arms of a vehicle to articulate with little bind, they do have an inherent weakness that leaves more to be desired when used in a daily driven application - exposure to the elements. The Delta Joint features a zinc plated housing providing the first layer of corrosion resistance, while a tough grease seal keeps potentially harmful elements out of the inner workings of the joint. Metal on metal construction and a greasable design increase the longevity of the Delta Joint while at the same time allowing for noise-free operation. What makes the Delta Joint unique is that it brings the best of both worlds to ICON upper control arms with features that make it more robust than a uniball, and at the same time capable of greater angularity than a typical ball joint.
Pricing: $3,895.24
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Heavy duty boxed sub-frame with integrated diff and transmission skid plates
Precision CNC machined cast iron spindle knuckles
Fits 2WD & 4WD models
6-8” Adjustable lift height
V.S. 2.5 Series front and 2.0 Aluminum Series rear shocks
Improved drivability and handling over stock
Complies with GM Stabilitrak system
ICON high quality fit, appearance and improved suspension function
Retains factory track width when high offset wheels are used
2.5" Series piggyback rear shocks and uniball upper control arms available
Lifetime warranty on ICON fabricated non serviceable components


Fits 2WD & 4WD applications
Front drive shaft & shift linkage brackets recommended for vehicles with 4WD that will be operated at highway speeds of 15 MPH or more (Part #78705, 78706,78708)
2016 models that opt for the double cardan driveshaft option (Part #78705, 78706) require transmission shift link arm (Part #78712) IN ADDITION TO linkage kit (Part #78708)


OEM Wheels & Tires: Yes

Aftermarket Wheels: 17-18" w/ up to 5.5" Backspace, 20"+ w/ up to 5.75 - 6" Backspace (pending wheel make)

Aftermarket Tires: 35" when lifted at 6-7", 37" when lifted to 8"(minor trimming required)


78700 (QTY.1) | 2011-2016 Chevrolet 2500HD - Subframe Box Kit - Front/Rear Subframes, Transmission and Diff Skids Diff Drops & Hardware / Blocks and Ubolts

78702 (QTY.1) | 2011-2016 Chevrolet 2500HD - Torsion Drop / Bump Stop Kit

78500DJ (QTY.1) | 2011-2016 Chevrolet 2500HD - Tubular Delta Joint Upper Control Arm Kit

77608P (QTY.1) | 2011-2016 Chevy 2500HD 2WD & 4WD 6"- 8" Lift Front Shock - 2.5 Series IFP (Pair)

76535 (QTY.2) | 2011-2016 Chevy 2500HD 2WD & 4WD 6"- 8" Lift Rear Shock - 2.0 Aluminum Series


191011 | Tubular Upper Control Arm Cover Caps

78704 | 2011-2016 Chevrolet 2500HD - Front Skid Plate System

78705* | 2001-2016 Chevrolet 2500HD - Front CV Drive Shaft - Allison Transmission

78706* | 2001-2016 Chevrolet 2500HD - Front CV Drive Shaft - 4L80E / 4L90E Transmission

78707 | 2011-2016 Chevrolet 2500HD - Steel Braided Brakeline Kit - 6"- 8" Lift Kit

78708 | 2007-2016 Chevrolet 2500HD - Transmission Shift Linkage Relocation Bracket Kit

* (2007-2016 models require Part #78708 for use of this part)



Shipping Information

  • Item Requires Shipping
  • 65.0 lbs.
  • W24.0000” x H24.0000” x L12.0000”
  • Free Shipping!

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