
Questions about fitment?
Talk to a TRU specialist
We’ll help you verify fitment before you buy.
Veteran-owned · Austin, Texas · Mon–Fri 9:30a–11:00a & 1:00p–5:30p CT
Important notes before you order
- APPLICATION NOTE #1: Only fits 4WD models
- APPLICATION NOTE #55: Shocks Are Fully Serviceable. Coilover Heights Indicated Are For A Stock Equipped Vehicle
- APPLICATION NOTE #129: Will Not Work With Factory Installed Electronically Controlled Suspension
- APPLICATION NOTE #155: Requires recalibration of Advanced Driver Assistance Systems (ADAS) after install
- APPLICATION NOTE #179: Only compatible with stock or original ICON Delta Joint UCAs. Not compatible with ICON Delta Joint Pro UCAs.
- APPLICATION NOTE #234: Will not fit F-150 Tremor or F-150 Raptor
- APPLICATION NOTE #658: Models equipped with PowerBoost hybrid engines will have lift height range of 0-2.5" over stock
- APPLICATION NOTE #659: Models equipped with Power-Stroke diesel engines will have lift height range of 0-2.25" over stock
- APPLICATION NOTE #669: Included rear shocks are compatible with 0-1" of rear lift over stock on most models
TRU specialist notes
From the Trucks R Us fitment and install team, beyond the manufacturer's information.
- Plan for a professional wheel alignment after installing any lift or leveling kit.
- Going to bigger tires as well? Speedometer recalibration may be needed, and some tire and wheel combinations need trimming. Check the recommended wheels and tires, or ask us before you order.
Specifications
| Brand | ICON Vehicle Dynamics |
|---|---|
| Part number | K93113 |
| UPC / GTIN | 840103431192 |
| Front Lift Height | 0-2.75" |
| Active or Passive Suspension | Passive |
| Adjustable Compression | No |
| Adjustable Damping | No |
| Adjustable Rebound | No |
| Bushing(s) Included | Yes |
| Coil Spring Color | Black |
| Coil Spring End 1 Type | Square |
| Coil Spring End 2 Type | Square |
| Coil Spring Material | Steel |
| Coil Spring Maximum Inside Diameter | 3 IN |
| Coils Quantity Front | 2 |
| Front Reservoir Style | Remote |
| Front Shock Body Diameter | 2.5 IN |
| Front Spring Rate | 600 PPI |
| Front Spring Rate Type | Linear |
| Grade Type | Performance |
| Maximum Lift | 2.75 IN |
| Maximum Lift Front | 2.75 IN |
| Minimum Lift Front | 0 IN |
| Mounting Hardware Included | Yes |
| Rear Reservoir Style | Piggyback |
| Rear Shock Body Diameter | 2.5 IN |
| Shocks Included | Yes |
| Spring Color | Black |
| Spring Material | Steel |
| Country of Origin | US |
| Warranty | 1 Year-Shock Absorbers; Limited Lifetime-Coil Springs |
| Installation Instructions | I91823/REVB.pdf |
California Proposition 65 warning applies to this product. www.P65Warnings.ca.gov
What's in the box
| Qty | Part | Description |
|---|---|---|
| 1 | 91823 | 21-25 F150 4WD 0-2.75" 2.5 VS RR COILOVER KIT |
| 1 | 97720P | 09-25 F150 2/4WD 04-08 F150 4WD REAR 2.5 VS PB PAIR |
Features
- Increased wheel travel and ride quality over stock with no change in towing capacity
- 2.5 Series front coilovers with remote reservoirs for superior damping and vehicle control along with improved shock cooling
- Adjustable coilovers from 0-2.75" of lift height
- Vehicle specific tuned front and rear shocks for superior damping and vehicle control
- 6061 Aircraft grade aluminum CNC machined components
- High strength alloy CNC machined lower bar pins
- FK rod end bearings for extended longevity and minimal deflection
- Corrosion resistant CAD plated coilover shock bodies with 7/8" shafts
- 2.5 Aluminum Series rear shocks feature hard anodized, one-piece impact extruded aluminum cylinders for excellent corrosion resistance and consistent finish
- 100% Bolt-on system - no cutting or welding necessary for install
Recommended wheels & tires
- OEM Wheels & Tires Fitment: Yes
- Recommended Aftermarket Wheels: ICON Alloys - 17x8.5" w/ 5” Backspace / 6mm Offset
- Recommended Aftermarket Wheels: ICON Alloys - 18x9" w/ 5.25" Backspace / 6mm Offset
- Recommended Aftermarket Wheels: ICON Alloys - 20x9" w/ 5.625" Backspace / 16mm Offset
- Recommended Aftermarket Tires: 33" x 11.50" (Larger tires may fit but fender trimming and modifications will be required.)
Installation
Free install support from the Trucks R Us tech team, for you or your shop.
Overview
ICON Vehicle Dynamics 2021-2026 Ford F-150 4WD suspension systems are designed with maximum performance and the serious driver in mind. ICON engineers’ primary focus is to increase wheel travel and damping ability, which translates into outstanding vehicle control and ride quality both on and off-road. The Stage 3 system includes vehicle-specific tuned 2.5” coilover shocks featuring remote reservoirs for exceptional cooling properties and ICON-engineered Eibach coil springs for superior vehicle “feel” through the range of travel. These coilovers are also height adjustable from 0-2.75” allowing the use of larger, more aggressive wheel and tire combinations. ICON 2.5 Aluminum Series piggyback reservoir rear shocks utilize a vehicle-specific valving that balances the performance of the truck from front to rear. The ICON Vehicle Dynamics 2021-2026 F-150 4WD Stage 3 suspension system is an excellent choice for those drivers looking to enhance the capabilities of their pickup on the road as well as in the dirt.
Questions
Will this fit my truck?
Select your truck at the top of the page and the fit check will confirm it. If your exact trim is not listed, call 866-235-4715 or live chat and a fitment specialist will check it before you order.
Do you help with installation?
Yes. Our technical team helps you or your shop with installation and troubleshooting after delivery, on top of the manufacturer’s support.
What if the part has a problem?
We work the warranty claim with the manufacturer on your behalf, within the manufacturer’s warranty policy.
Can I return it?
Most items can be returned within 30 days. See our return policy for details.
Do I need an alignment after installing?
Yes. Any lift or leveling kit changes suspension geometry, so get a professional alignment after installation.
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