Overview
The Fox Racing Shox 985-26-104 is a rear reservoir shock from the Fox 2.0 Factory Series. It is a direct fit unit for 1999–2017 Ford F-250 and F-350 Super Duty trucks, installing in the original rear shock position, with a 0 to 1 in. lift rating.
Fox says its direct replacement shocks are engineered and tested to maximize suspension travel and performance on and off the road. This smooth body reservoir model also carries a CD adjuster, as the product name indicates.
Key features
- Smooth body reservoir design
- CD adjuster
- Direct fit, bolt-on replacement for listed Super Duty trucks
- Rear position
- Rated for 0 to 1 in. of lift
Rear shock setup and lift height
A rear reservoir shock controls how the rear axle settles and rebounds, which matters most when the truck is loaded or towing. Because it bolts into the original rear location, installation is usually a straightforward swap once the old unit is out. Measure the suspension height first so you know the shock is working in its intended range.
Lift changes move the geometry of the rear axle, so a shock that worked at stock height may sit at a different angle afterward. Check the mounting eyes and bushings on the old shock, since worn parts can change how the new unit loads. Rear shocks are commonly replaced in pairs so both sides damp the same way.
- Measure rear suspension height before buying
- Inspect bushings and mounting eyes on the old shock
- Replace rear shocks as a pair
- Recheck mounting fasteners after the first drive
Specifications
| Brand | Fox Racing Shox |
|---|---|
| Part number | 985-26-104 |
| UPC | 700007189945 |
| Series | Fox 2.0 Factory Series |
| Body style | Smooth body reservoir with CD adjuster |
| Position | Rear |
| Fitment type | Direct fit |
| Lift height | 0 – 1 in. |
Vehicle fitment
It fits the 1999–2017 Ford F-250 Super Duty and 1999–2017 Ford F-350 Super Duty, in the Cabela’s, FX4, Harley-Davidson Edition, King Ranch, Lariat, Platinum, XL and XLT trims.
Ford F-450 and F-550 Super Duty models and Ford F-150 models are not in this fitment data. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Fox presents this as a bolt-on direct replacement, so no drilling or welding is indicated. Its 0 to 1 in. lift rating is the main figure to check against your current suspension height before installation.
What’s included
Check the package contents against your installation before starting.









