

6 Inch Lift Kit from Rough Country, part 55757, for 2015-2020 Ford F-150. This is the Vertex Coilovers w/V2 Rear Shocks configuration. Estimated install time is 8-10 hours.
Transform Your F-150 with Aggressive Style and Trail-Ready Performance: Take your Ford F-150 to the next level, both in looks and capability, with Rough Country's 6-Inch Suspension Lift Kit. Engineered for serious off-road enthusiasts, this all-inclusive kit gives your truck a commanding stance and the clearance needed to conquer rugged terrain with confidence.
Features
- Boosted Ground Clearance: Conquer off-road terrain with increased ride height for better obstacle clearance.
- Factory Track Width Retained: Maintains original handling dynamics and alignment specs.
- Compatible with 18"+ Factory Wheels: Designed to fit larger factory wheels without additional modifications.
- Front-to-Rear Level Stance: Levels the front end for a balanced, aggressive look and improved performance.
- Heavy-Duty Fabricated Blocks: Stronger than cast alternatives for maximum durability and longevity.
- Anti-Axle Wrap Rear Blocks: Custom-engineered to prevent axle wrap and preserve stock ride quality.
- Clears 35-Inch Tires: Provides the clearance needed to run 35" tires for enhanced off-road capability.
- Fully Configurable with All Shock/Strut Options: Choose from our nitrogen-charged N3's to the premium Vertex reservoir for the perfect ride quality.
What's in the box
- Front: Lifted Knuckles
- Front: Strut Spacers
- Front: Front Crossmember
- Front: Rear Crossmember
- Front: Sway-Bar Drop Brackets
- Front: Differential Drop Brackets
- Front: Brake Line Brackets
- Front: Driveshaft Spacer
- Front: Hardware
- Rear: Fabricated Anti-Wrap Lift Blocks
- Rear: Brake Line Relocation Brackets
- Rear: U-Bolts
- Rear: Hardware
Notes
- Requires cutting and drilling.
- Does NOT fit regular or standard cab models due to pinion angle issues, which cause drivetrain vibrations.
- 18-inch or larger wheels are required.
- Models retaining factory wheels are advised to run no wider than a 11.5" wide tire.
Specifications
| Part number | 55757 |
|---|---|
| Brand | Rough Country |
| Type | Suspension Lift Kits |
| Lift height | 6" |
| Configuration | Vertex Coilovers w/V2 Rear Shocks |
| Drive | 4WD |
| Estimated install time | 8-10 hours |
| Tire and wheel fitment | 285/55R22 on 22x10 (-18 offset); 295/60R20 on 20x10 (-19 offset); 295/65R20 on 20x9 (-12 offset); 295/70R18 on 18x10 (-18 offset); 295/70R18 on 18x8.5 (+0 offset); 35x11.50R20 on 20x9 (-12 offset); more |
| Shipping weight | 270.26 lb |
| Instruction sheet | 921557000A: Kit Installation;Ford 2004-18 F-150 Loaded Strut: Optional Strut Installation;680004: Optional Front Vertex Installation;680004: Optional Rear Vertex Installation |
| Fits | 2015-2020 Ford F-150 |
| Manufacturer applications | 2015-2020 Ford F-150 (4WD) |