4-Inch Lift Kit with M1 Shocks for Wrangler Unlimited (2007–2017)
- Fits 2007–2017 Jeep Wrangler Unlimited 4WD and RWD, including Sport, Sport S, X, Sahara, Rubicon, and Anniversary submodels
- Does not fit 2-door models; 2012-2018 applications require exhaust modification for front driveshaft clearance
- Kit contents: two M1 Monotube shock pairs, forged front track bar for 2.5-6 inch lift, adjustable arm kit, and hardware boxes
- Rear coil correction plates reset spring angle 10 degrees; X-Flex arms use a 2.5" body with 1.25" threads
- Bolt-on installation with no cutting called for — downloadable installation guide available
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- 2-door models
2012-2018 models require exhaust modifications to clear the front driveshaft SKU: 1030. On Automatic equipped vehicles due to use of an oversize driveshaft from the factory and inadequate factory clearance it may be possible for the front driveshaft to come in contact with the automatic transmission pan tearing the factory boot and rubbing on the shaft. Generally this occurs during heavy articulation when front sway bar links are disconnected and longer shocks are installed. If this is found to occur the proper procedure would be to replace the oversize factory shaft with an aftermarket smaller diameter shaft to increase clearance between the transmission and front driveshaft. Rough Country does offer this driveshaft if needed. Fitment on this page is based on the manufacturer’s application data.
About this kit
4-Inch Lift Kit with M1 Shocks, fitment-checked
Rough Country 67440 is a 4-inch lift kit for the 2007–2017 Jeep Wrangler Unlimited, built around two M1 Monotube shock pairs, a forged adjustable front track bar rated for 2.5-6 inch lift, and X-Flex adjustable control arms. Four-door applications only — it does not fit 2-door Wranglers.
This 4-inch lift kit for the 2007–2017 Jeep Wrangler Unlimited ships as a bolt-on package with no cutting called for, pairing M1 Monotube shocks front and rear with X-Flex control arms that use a 2.5" body with 1.25" threads, rebuildable greasable joints, and OEM-style rubber bushings. A forged front track bar keeps the axle centered, and rear coil correction plates reset the spring angle by 10 degrees. Two-door models are excluded, and 2012-2018 applications need exhaust modification for front driveshaft clearance. A downloadable Rough Country installation guide is available before you start.
What’s in the box
Kit contents
- 1× Track Bar 1179
- 1× Adj Arm Kit Box 1673XBOX3
- 1× Kit Box 1673XBOX4
- 1× 674 Kit Box 674BOX1
- 1× M1 MONOTUBE SHOCK PAIR 770740P
- 1× M1 MONOTUBE SHOCK PAIR 770750P
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 67440 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 67440 |
| UPC / GTIN | 00840269918575 |
| Lift height | 4 in |
| Shock package | M1 series |
| Shipping weight | 186 lb |
| Country of origin | US |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here