2.5-Inch Lift Kit with M1R Shocks for 2019–2023 Jeep Wrangler 4WD — Part 66644
- Fits 2019–2023 Jeep Wrangler 4WD, 4-door models only — check the fitment list before ordering
- Does not fit 3.0L EcoDiesel V6, 392, or 4xe models due to spring-rate and motor-weight differences
- Includes 2.5-inch coils, Vertex kit box components, and two M1R monotube reservoir shock pairs
- Select the Rubicon or non-Rubicon coil option to match your factory spring rate
- Clears tires up to 35 inches; on factory wheels verify front tire, lower control arm, and sway-bar link clearance
- Bolt-on install with no cutting or welding — downloadable installation guide available. Shipping weight: 86.0 lb
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Models equipped with a 3.0L EcoDiesel V6 motor
Fits 4-door models ONLY. To ensure proper fitment please select whether your vehicle is a Rubicon or non-Rubicon using the dropdown above as coil spring rates vary between models. Due to variances in coil spring rate this kit NOT fit 392 models. Due to variances in coil spring rate this kit NOT fit 4xe models. 35" tires will clear but rubbing may occur with extreme articulation. If planning on running 35" tires on factory wheels double-check clearance between the front tire lower control arm and sway-bar links. Fitment on this page is based on the manufacturer’s application data.
About this kit
2.5-Inch Lift Kit with M1R Shocks, fitment-checked
Rough Country 66644 is a 2.5-inch lift kit for 2019–2023 Jeep Wrangler 4WD models, built around Vertex-boxed hardware, coil springs matched to Rubicon or non-Rubicon spring rates, and two pairs of M1R monotube reservoir shocks. It fits 4-door models only and does not fit 3.0L EcoDiesel V6, 392, or 4xe versions.
This 2.5-inch lift kit for the 2019–2023 Jeep Wrangler 4WD covers Sport, Sport S, Freedom, Willys, Willys Sport, Rubicon, and Unlimited Rubicon applications listed in the fitment section. The kit ships with 2.5-inch coils, the Vertex kit box hardware, and two M1R monotube reservoir shock pairs, so front and rear damping arrive together. Choose the coil option that matches your Rubicon or non-Rubicon spring rate. The bolt-on design needs no cutting or welding, and tires up to 35 inches will clear, though hard articulation can bring contact. A downloadable Rough Country installation guide is available.
What’s in the box
Kit contents
- 1× 2.5in Coils 66630BOX1
- 1× 2.5in Vertex Kit Box 67750BOX1
- 1× M1R MONOTUBE RESI SHOCK PAIR 770808RESP
- 1× M1R MONOTUBE RESI SHOCK PAIR 770809RESP
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 66644 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 66644 |
| UPC / GTIN | 00840269974977 |
| Lift height | 2.5 in |
| Shipping weight | 86 lb |
| Country of origin | CN |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
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