
Important notes before you order
- Oem wheels & tires fitment: yes; application note #115: lift heights based on 4wd crew cab diesel; application note #120: secondary shock options available, contact icon for more details; application note #151: fits single rear wheel models only; application note #155: requires recalibration of advanced driver assistance systems (adas) after install; tech note: super duty diesel models without tremor package will have front lift height range of 4-5.
- 5" over stock; tech note: super duty diesel models equipped with tremor package will have front lift height range of 3-4.
- 5" over stock; tech note: super duty gas models without tremor package will have front lift height range of 4.
- 5-6" over stock; tech note: super duty gas models equipped with tremor package will have front lift height range of 3.
- 5-5" over stock; tech note: if installing with icon 2.
- 5 series remote reservoir secondary shocks, reservoir doubler kit part number 611003 is also required; tech note: due to tight clearances and varying placement of vehicle’s wiring harness in the upper front-passenger wheel well area, installer must ensure adequate clearance between the harness, coilover reservoir, and other components to prevent chafing/damage to wire harness.
- If adequate clearance cannot be achieved, please contact icon customer service.
- recommended aftermarket tires: 37" x 12.
- 50" (larger tires may fit but fender trimming and modifications will be required.
- ); 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.
- 25” backspace / 6mm offset; application note #1: only fits 4wd models; application note #3: will not fit f-350/f-450 cab & chassis models; application note #55: shocks are fully serviceable.
- Lift heights indicated are for a stock equipped vehicle.
- application note #88: removal of the coil centering cup in factory coil bucket required for installation
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 | K63171 |
| Front Lift Height | 4-5.5" |
| Maximum Lift Height Front | 6 IN |
| Maximum Lift Height Rear | 2 IN |
| Spring Material | Steel |
| Bushings Included | Yes |
| Mounting Hardware Included | Yes |
| Spring Color | Black |
| Shocks Included | Yes |
| Grade Type | Performance |
| Coil Spring Color | Black |
| Maximum Lift | 6 IN |
| Leaf Spring Bracket Material | Steel |
| Leaf Spring Bracket Color | Black |
| Coil Spring End 1 Type | Square |
| Coils Quantity Front | 2 |
| Front Spring Rate Type | Linear |
| Active or Passive Suspension | Passive |
| Add-On Part | 66518 - 23-25 FSD 4WD 4.5" FRONT 2.0 VS IR |
| Adjustable Compression | No |
| Adjustable Damping | No |
| Adjustable Rebound | No |
| Coil Quantity Front | 2 |
| Front Reservoir Style | Remote |
| Front Shock Body Diameter | 2.5 IN |
| Maximum Lift Front | 6 IN |
| Maximum Lift Rear | 2 IN |
| Minimum Lift Front | 3 IN |
| Tires Fitment | Yes |
| Rear Reservoir Style | Internal |
| Rear Shock Body Diameter | 2 IN |
| Recommended Aftermarket Wheels | ICON Alloys - 17x8.5" w/ 5” Backspace / 6mm Offset |
| Country of Origin | US |
| Weight (lbs) | 184 |
California Proposition 65 warning applies to this product. www.P65Warnings.ca.gov
Features
- Fits 2023-2025 F-250 / F-350 4WD applications
- Heavy-duty fabricated rear lift blocks
- Corrosion resistant CAD plated coilover shock bodies with 7/8" shafts
- Corrosion resistant anodized rear shock bodies with 5/8" shafts
- Shocks are fully rebuildable and re-tunable
- Lifetime guarantee against coil spring breakage or sagging
- Lifetime guarantee against ICON fabricated component breakage or manufacturer defect
- Bolt-in system fits in OE coil bucket location
- Ride height adjustable ICON 2.5 Series coilovers provide 4-5.5" of front lift
- Vehicle-specific shock valving provides unparalleled ride quality and control
- ICON 2.0 Aluminum Series internal reservoir rear shocks
- Increased wheel travel and ride quality over stock
- Radius arm drop brackets correct geometry and caster for optimal alignment specs
- Track bar drop bracket reduces track bar angle and corrects bump steer geometry
- Stainless steel braided front brake lines
Installation
Free install support from the Trucks R Us tech team, for you or your shop.
Overview
This suspension system features high quality CNC machined, laser cut, and brake formed components and with the endless hours ICON has spent testing and tuning our suspension components and shock absorbers as a complete system, you can rest assured you have the best suspension solution on the market.
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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