FOX 2.0 Performance Series Rear Shock 2020-2026 GM 2500/3500 HD 1.5–3″ Lift
FOX 2.0 Performance Series Rear Shock – 2020–2026 Silverado/Sierra 2500HD/3500HD (1.5"–3" Lift)
Upgrade your ride quality and control with the FOX 2.0 Performance Series Rear Shock, engineered to transform the performance of your Silverado or Sierra HD both on and off-road. These shocks utilize race-proven damping control to deliver a smooth, comfortable on-road ride while maintaining predictable handling in demanding conditions. The precision aluminum body increases cooling capacity and resists corrosion, while the internal floating piston (IFP) mono-tube design separates shock oil from the high-pressure nitrogen gas chamber to eliminate aeration and maintain consistent performance. Combined with application-specific valving and a high-flow damping piston, this shock provides reliable, controlled ride quality capable of handling even the roughest terrain.
Key Features
- Vehicle-specific valving for improved ride control and stability
- 2.0” aluminum body dissipates heat faster than steel
- Internal Floating Piston (IFP) design separates oil from high-pressure nitrogen gas
- Black anodized CNC machined aluminum components
- Smooth, controlled ride on and off-road
- Direct-fit replacement for easy installation
Specifications
- Series: Performance Series
- Shock Type: Monotube IFP (non-reservoir)
- Travel: 9.62"
- Extended Length: 26.72"
- Compressed Length: 17.10"
- Rear Lift Height: 1.5"–3"
- Body: 2.0” impact extruded and CNC machined 6061-T6 clear anodized aluminum
- Body Finish: Clear anodized for corrosion resistance
- Components: Black anodized, CNC machined 6061-T6 billet aluminum
- Shaft: 5/8" hard chrome plated heat-treated alloy steel
- Piston: Race-developed high-flow piston design
- Valving: Application-specific valving
- Seals: Redundant sealing pack system (main seal, wiper seal, scraper seal)
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Mounting Style:
- Top: Eyelet
- Bottom: Eyelet
Fitment
- 2020–2026 Chevrolet Silverado 2500HD
- 2020–2026 Chevrolet Silverado 3500HD
- 2020–2026 GMC Sierra 2500HD
- 2020–2026 GMC Sierra 3500HD
Position: Rear
Lift Range: 1.5"–3"
Exclusions:
- Does not fit 2026 Silverado 2500HD ZR2 models
- Does not fit 2026 Sierra 2500HD AT4X models
Installation
- Install Time: 30–60 minutes
- Difficulty: Easy
- Hardware: Factory hardware reused
Direct bolt-on installation with no modifications required.
Important Notes
- Designed for rear applications only
- Not intended for stock-height trucks outside recommended lift range
- Always verify shock length compatibility with your suspension setup before installation
What’s Included
- (1) FOX 2.0 Performance Series Rear Shock
Built Right. Backed Right.
Our crew’s on call Monday–Friday, 9–5 EST. Hit us up at 865-983-5004 — real support, done right.
Why Fox Shocks
Fox shocks are well-regarded in the off-road and performance world because they combine durability, advanced damping technology, and customization options that suit a wide range of vehicles and driving styles. For 4WD trucks, the “best” Fox shocks depend on how you actually use the truck — daily driving, towing, trail riding, or hardcore off-road.
Fox Shocks FAQ's
Should I Get 2.0 or 2.5 Shocks
Choose Fox 2.0 if:
You prioritize a smoother daily ride.
You stick to moderate trails and lighter off-road use.
Budget-friendly performance is key.
Choose Fox 2.5 if:
You demand more from your suspension—like aggressive off-roading, towing, or extended high-speed use.
You need better heat management and durability.
You don’t mind paying a bit more for enhanced performance and longevity.
Why Monotube Shocks Excel on Lifted Trucks
Handles Added Unsprung Weight – Larger wheels/tires from a lift add rotational mass and stress to your suspension. Monotube designs have better damping control to keep those tires planted.
Better Heat Dissipation – The single-tube design allows oil and gas to cool more efficiently, preventing fade during towing, off-roading, or long highway runs.
More Precise Handling – They respond faster to suspension movement, which is critical when correcting for body roll in a taller truck.
Will Better Shocks Improve Ride Quality
Tightening Up a Floaty Vehicle
If your truck feels like it’s “floating” or wandering at highway speeds, new shocks will firm up the suspension, improve steering response, and keep the body from rolling excessively in turns.
This doesn’t necessarily make the ride softer — it makes it more controlled.
Reducing Harsh Bouncing & Jarring
If you’re feeling hard bounce after hitting a bump (especially front or rear “pogo stick” motion), your shocks likely have lost rebound damping.
New shocks restore that damping, keeping your tires on the ground and absorbing energy before it reaches you.
Why Measure Shocks and Lift Height
1. Improved Ride Comfort
Matching the right shocks to your truck’s lift height enhances ride comfort. Ill-fitting shocks can cause a harsh, bumpy ride and limit suspension travel.
2. Better Handling & Control
Shocks sized for your lift height improve steering stability, cornering, and overall control — especially on rough terrain or with larger tires.
3. Increased Safety
The right shocks keep your tires in consistent contact with the ground, reducing the risk of skids, loss of control, or suspension component damage.
4. Greater Durability
When shocks operate within their intended range, they last longer and protect other suspension parts from premature wear.
5. Optimal Performance
A well-matched suspension setup ensures your truck performs at its best, whether you’re off-roading, towing, hauling, or commuting daily.