Package Contains one shock
You'll be getting one HTO Shock.Fox
2.5 Performance Series HTO Shocks
2011-2024 Cheverolet Silverado 3500 HD
$340.01
In Stock
Estimated Delivery in 4-9 business days
Fox
2.5 Performance Series HTO Shocks
2011-2024 Cheverolet Silverado 3500 HD
$340.01
In Stock
Estimated Delivery in 4-9 business days
Got Questions?
Our experts are here to help!
Part Numbers & Details
Fox One Year Warranty
Fox's limited one year warranty protects against defects and premature failure.Fits vehicles at factory height or with up to 1" rear lift
For vehicles with no suspension modifications or up to 1" rear lift systemsHardware Included
All necessary washers, bushings, and nuts included.Specifications
| Part Number | Item | Quantity | Extended Length | Compressed Length | Travel | Top Mount | Bottom Mount | Reservoir |
|---|---|---|---|---|---|---|---|---|
| 987-24-009 | Shock Absorber | 1 | 26.02" | 17.34" | 8.68" | EYELET | EYELET | Internal Floating Piston |
Product Details
Fox 2.5 Performance Series HTO Coil-Over is a bolt-on shock loaded with position-sensitive technology, vehicle-specific valving, and larger pistons to improve on and off-road performance. A type II anodized aluminum body efficiently dissipates heat and prevents corrosion. The 2.5-inch shock body features an internal floating piston (IFP) to separate the shock oil from the high-pressure nitrogen, optimizing damping.
Compatibility List
| Year | Make | Model | Drive | Position | Lift |
| 2025 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2024 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2023 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2022 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2021 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2020 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2019 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2018 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2017 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2016 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2015 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2014 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2013 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2012 | Chevrolet | Silverado 3500 HD | 0-1" | ||
| 2011 | Chevrolet | Silverado 3500 HD | 0-1" |
FOX LIMITED WARRANTY
FOX Factory, Inc., a California corporation having offices at 130 Hangar Way, Watsonville, CA 95076 ("FOX"), makes the following LIMITED WARRANTY with respect to its suspension products:
LIMITED ONE (1) YEAR WARRANTY ON SUSPENSION PRODUCTS
Subject to the limitations, terms and conditions hereof, FOX warrants, to the original retail owner of each new FOX suspension product, that the FOX suspension product, when new, is free from defects in materials and workmanship. Unless otherwise required by law, this warranty expires one (1) year from the date of the original FOX suspension product retail purchase from an authorized FOX dealer or from a FOX authorized Original Equipment Manufacturer where FOX suspension is included as original equipment on a purchased vehicle. If law requires a warranty duration of greater than one (1) year, then, subject to the other provisions hereof, this warranty will expire at the end of the minimum warranty period required by such law.
TERMS OF WARRANTY
This warranty is conditioned on the FOX suspension product being operated under normal conditions and properly maintained as specified by FOX. This warranty is only applicable to FOX suspensions purchased new from an authorized FOX source and is made only to the original retail owner of the new FOX suspension product and is not transferable to subsequent owners. This warranty is void if the FOX suspension product is subjected to abuse, neglect, improper or unauthorized repair, improper or unauthorized service or maintenance, alteration, modification, accident or other abnormal, excessive, or improper use.
Should it be determined by FOX in its sole and final discretion, that a FOX suspension product is covered by this warranty, it will be repaired or replaced, by a comparable model, at FOX's sole option, which will be conclusive and binding. THIS IS THE EXCLUSIVE REMEDY UNDER THIS WARRANTY. ANY AND ALL OTHER REMEDIES AND DAMAGES THAT MAY OTHERWISE BE APPLICABLE ARE EXCLUDED, INCLUDING, BUT NOT LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR PUNATIVE DAMAGES.
This limited warranty does not apply to normal wear and tear, malfunctions or failures that result from abuse, improper assembly, neglect, alteration, improper maintenance, crash, misuse or collision. This limited warranty gives the consumer specific legal rights. The consumer may also have other legal rights which vary from state to state or country to country. Some states and countries do not allow the exclusion or limitation of incidental or consequential damages or warranties, and if dictated by law the above limitations or exclusions may not apply to you. If it is determined by a court of competent jurisdiction that a certain provision of this limited warranty does not apply, such determination shall not affect any other provision of this limited warranty and all other provisions shall remain in full effect.
THIS IS THE ONLY WARRANTY MADE BY FOX ON ITS SUSPENSION PRODUCTS AND COMPONENTS, AND THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION HEREIN. ANY WARRANTIES THAT MAY OTHERWISE BE IMPLIED BY LAW INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXCLUDED.
Shipping Info
Free Shipping on most orders to the lower 48 U.S. states. Truck freight items (over 100 lbs) and custom orders require a separate shipping quote.
- Applies to items like axles, leaf springs, and long-travel kits.
- No international shipping on freight items — only to U.S.-based freight forwarders.
- Worldwide shipping available: Canada, Europe, UAE, Australia, and most of Asia.
Contact us for an international shipping quote.
Returns & Exchanges
30-Day Return Policy - Items must be new, unused, uninstalled, and include all original hardware.
- No restocking fees for exchanges or gift card credit.
- 10% restocking fee on refunds, returns cost us real money, so the 10% helps keep the lights on.
- Installed, damaged, or dirty parts cannot be returned.
Return Shipping Responsibility
Shock Surplus Package and Order Protection plan provides prepaid return labels for any returned packages, this fee varies by product.
- Our mistake (misboxed, wrong item, damaged): We cover the cost of return shipping.
- Your mistake (wrong item ordered, fitment error, changed mind): Return shipping is your responsibility.
- Under 50 lbs: Discounted carrier rate (deducted from your refund).
- Over 50 lbs: Discounted carrier rate + $25 oversize fee (deducted).
Refunds
Refunds are issued within 5-7 business days of receiving your return.
- Funds typically post to your account in 1-3 business days depending on your payment method.
- There is a 10% restocking fee on all refunds. We do not get our original shipping, labor, or transaction fees back - so the 10% restocking fee keeps the lights on.
- You will receive an email once your refund is processed.
International Orders
- All international orders are final sale.
- Returns via freight forwarders only accepted if the product has not left the U.S.
- Import taxes and fees are the buyer's responsibility and not included in our shipping charges.
- We are not responsible for goods once exported outside the U.S.
Authorized dealer
Brand new parts
with warranty coverage
Free shipping
within the lower 48 States
Free 30-day return
and exchange on qualifying orders
VIDEO GALLERY
CUSTOMER REVIEWS
Huge Performance Upgrade
I ran king shocks on a 2500 ram and they were great but these fox 2.5 shocks make the 1500 AT-4 drive like a corvette. what a great improvement over stock these are direct replacement shocks and i am totally impressed with the performance, as I live on 6 miles of mountain roads that are rough as all get out and these shocks are awesome improvement from stock. get you some.
Michael S. Verified Buyer
Noticeable Difference
I have noticed that my Jeep will do stuff others don't seem to be able to do, this is likely a result of the stability created by these shocks at high speeds or going over rocks without losing control of your vehicle in tricky situations. If stability offroad and giving yourself a little confidence with handling is important to you these will do the trick.
Hal W. Verified Buyer
So Worth It
These shocks are absolutely worth every penny. I have them on my 17 Tacoma Off-Road and these things are amazing. Even on Fox’s preset for the DSC’s they ride great. I’m positive they will only improve once everything is dialed in. The guys at SS really looked after me. Had my suspension in 3 days way out here on the East Coast. I highly recommend these guys. Thanks for your hard work!
James S. Verified Buyer
The Expert's Opinion
"The Fox 2.5 Performance Elite shock is a genuine do-it-all shock - composed on the freeway, comfortable on the trail, and adaptable when you load the truck up for a weekend trip.
The Dual Speed Compression adjuster is the key to that versatility, providing ride-tuning for all forms of truck use - comfort, towing, or high speed fun in the dirt."
Sean
Shock Surplus Founder
15+ years experience
INFORMATION
Questions? We've got answers
Fox 2.5 shocks are designed to deliver a more controlled and capable ride than smaller shocks, especially when driving off-road or carrying additional weight. The larger 2.5-inch shock body holds more oil and provides greater damping capacity, which helps the suspension stay composed over rough terrain, washboard roads, and repeated bumps.
On the road, most drivers experience a ride that feels firm but very stable, with improved control over body movement, braking dive, and cornering compared to stock suspension. Off-road is where they really shine—Fox 2.5 shocks can absorb bigger impacts and maintain consistent performance over long rough sections because they manage heat and repeated suspension movement more effectively than smaller shocks.
Overall, Fox 2.5 shocks are a great choice if you want a suspension upgrade that still drives well on the street but offers serious improvement in control, comfort, and confidence when the terrain gets rough.
Some Fox 2.5 shocks are adjustable, but it depends on the specific model. Many standard Fox 2.5 Performance Series shocks come with factory-tuned valving and no external adjusters, making them a simple bolt-on upgrade designed to work well right out of the box.
Higher-end versions—such as Fox 2.5 Performance Elite or Factory Series shocks—often include external adjusters, typically located on the reservoir. These can allow you to adjust compression damping, and in some cases both high-speed and low-speed compression, so you can dial in the ride for different terrain, loads, or driving styles.
In short, not every Fox 2.5 shock is adjustable, but many premium versions offer tuning options that let you fine-tune the suspension for your specific vehicle setup and driving conditions.
Click the 'Select Your Vehicle' button above the 'Add to Cart' button to make sure the shocks fit your exact vehicle. If needed, the site will send you to the right shocks for your ride. If your vehicle has been lifted, use the dropdown menu to pick the correct lift height. For example, if you have a Rough Country 6-inch lift kit, choose Front 4–6" and Rear 3–4" (the rear is usually smaller than the front). Still not sure? Our sales team is happy to help.
Fox 2.5 shocks are built for durability and hard use, but like most high-performance suspension components, they’re designed to be serviced periodically rather than replaced like basic shocks. For vehicles that are primarily driven on the street, many owners can expect around 40,000–50,000 miles before the shocks benefit from a rebuild or service to restore peak performance.
If the vehicle sees frequent off-road use, heavy loads, or aggressive driving, service intervals may come sooner because rough terrain and heat put more strain on the seals and internal oil. Even so, with proper maintenance and occasional rebuilds, Fox 2.5 shocks can provide years of reliable performance and tens of thousands of miles of use.
In short, Fox 2.5 shocks are designed to last a long time—but keeping them performing their best may involve servicing them periodically, especially if your truck spends a lot of time off the pavement.
Product Details
Whether you want to upgrade, add a reservoir, or find something more affordable, contact us with any questions!
Part Numbers & Details
View full product specifications
Warranty
View warranty coverage
Shipping & Returns
Free shipping within the lower 48 United States
