Direct: (503) 987-4002
Main: (503) 987-4000


Fitment
This single rear shock assembly fits the 1999-2026 Ford Super Duty F250 / F350 Truck for stock height up to a 1" rear block, or rear airbag kit
Features
Designed as a direct replacement front shock for stock or leveled suspension setups
Compatible with most leveling kits and factory suspension
Collapsed Length: 18.79"
Extended Length: 29.58"
Description
Race-Proven Performance. Daily Driver Comfort.
Fox direct replacement shocks deliver race-winning performance in a simple direct replacement bolt on shock. Each application has been rigorously tested by Fox's engineers to maximize suspension travel and performance on and off the road. Direct replacement shocks are available in hundreds of applications from stock to lifted, as well as aftermarket kit replacements.
FOX's new Hydraulic Top Out (HTO) technology offers usable position-sensitive rebound damping control on and off the pavement. HTO reduces harsh top-outs and increases comfort by forcing shock oil through a secondary shim stack to slow down shock shaft speed; HTO is particularly beneficial after installing heavier, aggressive tires and applications lifted higher than OEM specification.
Includes
(1) Single Rear HTO Shock AX4001 Fox Shock 987-24-001
Specifications
2.5” Impact extruded 6061-T6 aluminum shock body
Type II clear-anodized body plating
High-flow velocity-sensitive damping
5/8” hard chrome shaft
Internal floating piston (IFP)
Hydraulic Top Out (HTO) piston
The Axiom No-Nonsense Lifetime Warranty
Our suspension and steering components are warrantied for life to the original purchaser against any manufacturer defects, premature wear, or breakage.
Push it to the limit—we don’t care.
If the part lets you down, we will make it up to you!
We ship throughout the United States. Most in-stock items leave our shop within 1–3 business days. Made-to-order, special-order, drop-shipped, freight, and oversized products may require additional processing or lead time. Any known special timing or availability information will be noted on the product page when applicable.
Orders placed outside of our normal business hours will be processed as soon as possible once our team returns during regular operating hours, Monday–Friday. Orders placed over the weekend or on a holiday will begin processing the next business day.
Eligible items may be considered for return within 30 days of delivery. All returns require prior authorization from PAD Overland. Return requests are subject to our return policy as well as any applicable manufacturer or supplier return requirements.
Approved customer-requested returns are subject to a 35% PAD Overland restocking fee, plus any additional return-related fees imposed by the manufacturer, supplier, or distributor.
Many products sold by PAD Overland include a manufacturer warranty. Warranty claims are subject to the individual manufacturer’s warranty terms and procedures. We are happy to help facilitate the process when possible. Please contact us with your order number, photos, and a description of the issue.
Questions about fitment, shipping, return eligibility, or a special-order product? Please contact us before placing your order. Our team is happy to help make sure you are ordering the correct product for your vehicle.
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