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The Icon Vehicle Dynamics 2020+ Fsd Front 4.5In Dual Rate Spring Kit from Icon Vehicle Dynamics is built for reliable fit and function.
Part number: 64011
The dual rate design allows for a softer initial rate for superb on road comfort and a firmer secondary rate that increases during compression for excellent bottoming resistance and off-road performance.
| Years | Make | Model | Drive | Notes |
|---|---|---|---|---|
| 2020–2022 | Ford | F-250 Super Duty | 4WD | Platinum |
| 2020–2022 | Ford | F-250 Super Duty | 4WD | XL |
| 2020–2022 | Ford | F-250 Super Duty | 4WD | Lariat |
| 2020–2022 | Ford | F-250 Super Duty | 4WD | King Ranch |
| 2020–2022 | Ford | F-250 Super Duty | 4WD | Limited |
| 2020–2022 | Ford | F-250 Super Duty | 4WD | XLT |
| 2020–2022 | Ford | F-350 Super Duty | 4WD | XL |
| 2020–2022 | Ford | F-350 Super Duty | 4WD | Lariat |
| 2020–2022 | Ford | F-350 Super Duty | 4WD | King Ranch |
| 2020–2022 | Ford | F-350 Super Duty | 4WD | Platinum |
| 2020–2022 | Ford | F-350 Super Duty | 4WD | Limited |
| 2020–2022 | Ford | F-350 Super Duty | 4WD | XLT |
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | ICON Vehicle Dynamics |
| Part number | ICO64011 |
| Category | Suspension & Lift |
| Years | Make | Model |
|---|---|---|
| 2020–2022 | Ford | F-250 Super Duty |
| 2020–2022 | Ford | F-350 Super Duty |

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