ICON 0-2.5″ Kit Stage 2 for 2001-2010 GM 2500HD/3500HD


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SKU: K77101 Categories: , Brand:


ICON 0-2.5″ Kit Stage 2 for 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 GM 2500HD/3500HD

Part: K77101


The 2001-2010 GM 2500HD / 3500HD requires significant shock damping to comply with the massive spring rate of the factory torsion bar system. ICON Vehicle Dynamics has developed a range of suspension systems with optimized vehicle specific shock damping. These systems offer excellent on and offroad driveability. While driving the construction site or trails to your favorite dirt bike location, ICON wants you to get there in comfort just like your drive to work. ICON’s Stage 2 system is comprised of V.S. 2.0 Aluminum Series IFP front shocks, Delta Joint UCA’s and 2.0 Aluminum Series IFP rear shocks. The ICON vehicle specific tuned shocks are the key to attaining optimum ride quality and getting that desired comfort with the 3/4 & 1 ton working capability.

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.


  • Vehicle specific tuned front and rear shocks for superior shock damping and control
  • Improved ride quality over stock with no change in towing capacity
  • 100% bolt-on system
  • 6061 aircraft grade aluminum CNC machined components
  • Corrosion resistant plated shock bodies


OEM Wheels & Tires: Yes

Aftermarket Wheels: 8.5″ Wide, 5″ Backspace

Aftermarket Tires: 33″ Tall Tires

(Larger Tires May Fit but Fender Trimming and Modifications will be Required)

  • Note: Kit will not lift the vehicle by itself

78550DJ (QTY.1) | 2001-2010 GM 2500HD/3500 2WD/4WD Tubular Steel Delta Joint UCA Kit

76527 (QTY.2) | 2001-2010 GM 2500HD/3500 2WD/4WD (0-3″ Lift)  2.0 Aluminum Series IFP Front Shocks

76529 (QTY.2) | 2001-UP GM 2500HD/3500 2WD/4WD (0-1″ Lift) 2.0 Aluminum Series IFP Rear Shocks


77725 | 2001-2010 GM 2500HD/3500 2WD/4WD V.S. 2.5 Series piggyback reservoir front shocks

77701 | 2001-UP GM 2500HD/3500 2WD/4WD V.S. 2.5 Series piggyback reservoir rear shocks

77701C | 2001-UP GM 2500HD/3500 2WD/4WD V.S. 2.5 Series piggyback reservoir w/ CDCV rear shocks

191011 | ICON tubular UCA cover caps

614500 | Uniball UCA Service Kit

614508 | 78550 Replacement Bushings & Sleeve Kit

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