Description
Taking full advantage of its extensive knowledge of suspension as an OEM shock supplier along with its rich racing heritage, FOX has developed an off-road race inspired upgraded shock package for the F-150’s. The Factory Race Series upgrade kit for the ’21-23 F-150 4wd is designed to take the truck’s renowned off-road performance to the next level by adding significant adjustability and improved cooling efficiency without compromising every day ride quality.
Patented Internal Bypass technology allows for multiple zones of damping control. The result is a comfortable, confident ride with increased damping force through rough terrain. Internal bypass shocks produce more force progressively to control hard bottom-outs, prevent harsh top-outs, and provide an initial catch for landing. Shock fluid bypasses the main piston through a series of bleed holes in the ride zone. As the shock extends past the ride zone in rebound or compression, the bleed holes terminate, forcing fluid through the main piston.
A Recirculating Reservoir Bridge enables continuous exchange of shock fluid between the finned external piggyback reservoir and body using checked ports, keeping shock temperatures cool for better performance. Type III anodization prevents corrosion and wear of the 3-inch diameter aluminum bodies. The DSC adjuster allows you to dial in your F-150 for load, environment, and driving style.
- Improved ride both on and off-road
- Increased wheel travel
- Made in the USA
- For 0-1″ of lift only
- Compatible on Tremor models with factory block removed.
- This is not compatible with vehicles equipped with Continuously Controlled Damping (CCD) adaptive suspension.
| Body | 3.0″ impact extruded and CNC machined 6061-T6 hard-anodized aluminum body resists corrosion and weighs less than steel |
|---|---|
| Body Plating | Hard-anodized for a durable finish |
| Reservoir | NEW! Aluminum finned piggyback reservoir with Recirculating Reservoir Bridge dissipates heat fast |
| Components | Black-anodized, CNC-machined 6061-T6 billet aluminum |
| Shaft | 7/8″ hard chrome plated heat-treated alloy steel |
| Piston | Race-developed high-flow piston design |
| Valving | Patented, internal bypass design, application-specific valving to maximize performance |
| Seals | Redundant sealing pack system main seal, wiper seal, and scraper seal resist leaks in harsh conditions |
| Bearing | PTFE-lined, heat-treated, alloy steel spherical keep the shock movement quiet and smooth |
| Adjustments | Dual Speed Compression (DSC) adjusters allow tool-free high and low-speed compression adjustment |
| Adjuster Type | DSC – Dual Speed Compression |
