6 Inch Lift Kit for Ford F-150 4WD (2015-2020)
- Fits 2015-2020 Ford F-150 4WD (XL through Limited)
- Does not fit regular/standard cab models (pinion-angle vibration)
- Factory wheels: run no wider than an 11.5-inch tire
- Cutting and drilling required — install guide included
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Regular or standard cab models
Requires cutting and drilling. Models retaining factory wheels are advised to run no wider than a 11.5" wide tire. Fitment on this page is based on the manufacturer’s application data.
About this kit
6 Inch Lift Kit, fitment-checked
A 6 inch lift kit for the previous-generation 2015-2020 Ford F-150 4WD (Rough Country 55750). Regular and standard cab trucks are excluded — the pinion angle causes drivetrain vibration at this height.
This kit fits the 2015-2020 Ford F-150 4WD from XL through Limited. It does not fit regular or standard cab trucks: at 6 inches of lift their pinion angle causes drivetrain vibrations, so Rough Country excludes them outright. If you're keeping the factory wheels, stay at or under an 11.5-inch-wide tire. Cutting and drilling are part of the install, and a step-by-step guide is included. Shipping weight is 287.7 lb — freight delivery.
What’s in the box
Kit contents
- 1× RC Crossmember Box 1555BOX4
- 1× 6in RR Kit Box 557BOX1
- 1× Kit Box 557BOX2
- 1× Knuckles 1553BOX6
- 1× Vertex 2.5 Adj FR Lh 6 In 685052l
- 1× Vertex 2.5 Adj FR Rh 6 In 685052R
- 2× Vertex 2.5 RR 6 In 695751
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 55750 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 55750 |
| UPC / GTIN | 00843030148393 |
| Lift height | 6 in |
| Shipping weight | 287.7 lb |
| Country of origin | TH |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here