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Description
ICON 78725 0-2" 2.5 CDCV Shock System With UCATake the performance of your 2011 2019 GM Silverado Sierra 2500HD 3500HD 4WD to new levels with the Icon 78725 0 2" 2. 5 CDCV Shock System With UCA from GAP. All Icon tubular upper control arms are constructed from CNC bent 1026 DOM steel tubing and then powder coated to a semi gloss black finish for maximum strength and corrosion resistance. Icon upper control arms are engineered with built in caster correction for optimal alignment specifications
Take the performance of your 2011-2019 GM Silverado/Sierra 2500HD/3500HD 4WD to new levels with the Icon 78725 0-2" 2.5 CDCV Shock System With UCA from GAP. All Icon tubular upper control arms are constructed from CNC bent 1026 DOM steel tubing and then powder coated to a semi-gloss black finish for maximum strength and corrosion resistance. Icon upper control arms are engineered with built-in caster correction for optimal alignment specifications and confidence inspiring handling. A main benefit of Icon upper control arms is the increased wheel travel (nearly 50%) when paired with our 2.0 or 2.5 series shock absorbers, this translates into superior performance and ride quality for your 2011-2019 GM HD.
These upper control arms feature Icon's patented 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 uni-ball. While the industry standard uni-ball 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 greaseable 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 uni-ball, and at the same time capable of greater angularity than a typical ball joint.
To ensure compatibility, Icon is no longer offering GM 2500HD/3500HD upper control arms as individual components. Upper control arms can only be purchased in unison with Icon shock absorbers as a complete system. The included Icon Vehicle Specific (V.S.) 2.5 Series shocks are designed and built to give your vehicle outstanding performance off-road and a smooth ride on the street. These shocks are configured specifically for each application in both length and damping tune. Like all of Icon's Shock Absorbers, the V.S. 2.5 Series shocks are 100% rebuildable and 100% re-valvable. For piggyback and specific remote reservoir applications, Icon's unique use of a 6061-billet aluminum manifold a few inches below the top cap of the shock creates an internal Bump Zone that when used creates an additional 20% damping force. This additional force helps prevent harsh bottom outs and controls the suspension when compressing at high velocity. The Icon CDC Valve is an externally adjustable valve that restricts oil flow into the reservoir which creates 10 levels of compression damping force ranges.
Tech Info:
Factory Wheels & Tires Fitment: Yes
Recommended Aftermarket Wheels: Icon Alloys | 18x9 with 5.5" Backspace / 12mm Offset
Recommended Aftermarket Wheels: Icon Alloys | 20x9 with 5.5" Backspace / 12mm Offset
These upper control arms feature Icon's patented 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 uni-ball. While the industry standard uni-ball 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 greaseable 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 uni-ball, and at the same time capable of greater angularity than a typical ball joint.
To ensure compatibility, Icon is no longer offering GM 2500HD/3500HD upper control arms as individual components. Upper control arms can only be purchased in unison with Icon shock absorbers as a complete system. The included Icon Vehicle Specific (V.S.) 2.5 Series shocks are designed and built to give your vehicle outstanding performance off-road and a smooth ride on the street. These shocks are configured specifically for each application in both length and damping tune. Like all of Icon's Shock Absorbers, the V.S. 2.5 Series shocks are 100% rebuildable and 100% re-valvable. For piggyback and specific remote reservoir applications, Icon's unique use of a 6061-billet aluminum manifold a few inches below the top cap of the shock creates an internal Bump Zone that when used creates an additional 20% damping force. This additional force helps prevent harsh bottom outs and controls the suspension when compressing at high velocity. The Icon CDC Valve is an externally adjustable valve that restricts oil flow into the reservoir which creates 10 levels of compression damping force ranges.
Features:
- Icon Delta Joint
- Remote Reservoir Design Improves Heat Dissipation To Reduce Shock Fade During Prolonged Use
- Premium Grade 5wt Shock Oil For Consistent Suspension Damping Along A Wide Temperature Range
- Nitrogen Charged Monotube Design With Remote Reservoir
- One-Piece Digressive Piston Design With Vehicle Specific Valving For Unsurpassed Performance And Ride Quality On And Off-Road
- 7/8" Diameter Induction Hardened, Chrome Plated Shock Shaft
- PTFE Lined Spherical Bearings And Application Specific Mounting Hardware
- 6061 Aircraft Grade Aluminum CNC Machined Components
- Cad Plated, Precision Machined 1026 Dom Steel Shock Body For Maximum Durability And Corrosion Resistance
- All Icon 2.5 Series Piggyback And Remote Reservoir Shocks Can Be Upgraded To Icon's Compression Damping Control Valve (CDCV)
- 100% Rebuildable
- 1026 DOM Steel Construction
- 100% Re-Valvable
- CNC Bent Tubing
- Serviceable Dual Stage Bushings
- CNC Machined Bushing Housings And Sleeves
- Built-In Caster Correction
- Black Semi-Gloss Powder Coat Finish
- Icon's CDC Valve Technology Allows For 10 Levels Of High-Resolution Compression Adjustability With The Turn Of A Knob
- Icon's Internal "Bump Zone" Increases Damping By 20% To Provide More Control As The Shock Approaches Full Compression
Tech Info:
Factory Wheels & Tires Fitment: Yes
Recommended Aftermarket Wheels: Icon Alloys | 18x9 with 5.5" Backspace / 12mm Offset
Recommended Aftermarket Wheels: Icon Alloys | 20x9 with 5.5" Backspace / 12mm Offset
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Great Chair! Worth the Price!
Color: Sky Blue, Size: Pack of 1
LOVE my new desk chair! I got the Sky Blue which is a really pretty blue in person. I work from home in tech, and had been getting constant headaches no matter what position I was in. I finally decided to invest in a better desk chair, and I'm SO glad I did! It's much more supportive and comfortable. I really like that I can flip the arms up or down, and the height is easy to adjust. Also, because I can flip the arms up, I can keep the chair out of the way when I'm not working by putting it right up against the desk. Very much worth the price! Assembly was simply and quick. Not even 30 minutes. Also, when I had a question about the chair, their support team was quick to respond and very helpful. Highly recommend!
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Great quality chair, regardless of price.
Color: Black+white, Size: Pack of 1, Color: Black+white, Size: Pack of 1
Great quality chair, regardless of the price, period. So well packaged that it took almost as long to unwrap as assemble. Assembly was easy (loved the Allen wrench with sturdy handle). I am 6'2" and the fit and height adjustments work well for my height. Comfort is personal, so I like the semi-firmness of the seat. While the chair is constructed of heavy gauge plastic the base is solid metal with enamel finish: I love the look. The arm rests line up perfectly to my computer keyboard. I expect many, many years of service.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Great Value for a Comfortable Home Office Chair
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
I’ve been using this chair for a couple of days now, and honestly, it’s been a solid upgrade from my old one. I work from home most days, so comfort matters a lot—and this chair delivers better than I expected for the price.
The first thing I noticed was the lumbar support. It’s actually adjustable and makes a noticeable difference, especially if you tend to sit for long stretches. My lower back used to get sore after a few hours, but that hasn’t really been an issue since switching to this chair. The mesh back is also a nice touch—it keeps things breathable, which I didn’t think I’d care about until I had it.
Assembly was pretty straightforward. Took me maybe 20–25 minutes without any frustration. Everything lined up well, and the instructions were clear enough.
In terms of comfort, the seat is firm but not hard. It doesn’t feel like one of those super plush chairs, but I actually prefer that because it feels more supportive over time. The reclining feature is smooth, and I like that you can lean back a bit when you need a break.
Overall, I’d say this is a great value for a home office setup. If you want something ergonomic and comfortable without spending a fortune, this chair is definitely worth considering.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Excellent Office Chair
Color: Black+white, Size: Pack of 1
I just received my TRALT Office Chair. First of all, I was impressed with the packaging of this item. When I opened the box each piece of the chair was wrapped in plastic or bubble wrap. Everything in the box arrived safely and without damage. Secondly, the instructions to assemble the chair were very each to follow. I was impressed with the Allen wrench which had a handle attached to it. This made screwing in the screws very easy. I was able to assemble the chair without any difficulty. Lastly, the look of the chair and the comfort is exceptional. I ordered the black/white chair which looks amazing. The comfort of the chair is really excellent. My back is supported by the lumbar seat and having the armrests being able to go up when not needed is wonderful. The quality of the chair is definitely worth the price.
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Reviewed in the United States on May 9, 2026
★★★★★ 4
a good choice
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
Assembled chair only to find that the lift cylinder was faulty. Would have preferred to be able to just get a replacement cylinder but calling China didn't seem like a viable option. Guessing which one & buying it online would involve paying for a good portion of what the chair cost. Customer service could only offer a replacement or refund. We're disassembling (so much fun?!) to send it back. The chair itself was very comfortable, assembled fairly easily and instructions pretty clear. Again, if we could only have asked the seller for the replacement part......**Update**...Or if the instructions that seemed so clear were clearer!, as we started to disassemble, we decided to see what would happen if the tension knob (see photo) was loosened. IT ALLOWED THE LIFT CYLINDER TO WORK. Not at all what the instructions say. At any rate, we're keeping the chair.
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Reviewed in the United States on June 4, 2026