- Maximum Tire Size: 35"
- Backspacing: 3.75"-4.25"
- No welding required
- Vehicle will require alignment after kit is installed
- This system is NOT recommended to be combined with body lifts over 1" tall.
- All ride height increases are approximate and will vary due to vehicle specification (engine size, factory options, trail equipment, etc).
- A Rubicon Express Front CVO Driveshaft, RUB-RE1883-365, is recommended for 2007-2015 Wrangler JK models with an Automatic or Manual Transmission.
- A Rubicon Express Front CVO Driveshaft, RUB-RE1883-385, is recommended for 2012-2015 Wrangler JK models with an Automatic Transmission.
- A Rubicon Express Front Transfer Case Yoke, RUB-RE1810, is recommended for the installation of a Rubicon Express Front CVO Driveshaft.
- A Rubicon Express Rear CVF Driveshaft, RUB-RE1887-240, and a Rubicon Express Rear Transfer Case Flange, RUB-RE1805, are recommended for installation.
Product Info
Important Notes
Description
Rubicon Express 3.5" Extreme Duty Long Arm 4-Link Suspension Lift Kit is a high quality system that provides performance and superior handling without limiting articulation. This kit features adjustable chromoly upper and lower control arms that will stand up to anything you can drive over. There is no need for welding making this kit much easier to install than competitor's kits.
Product Details
- Made in the USA
- Provides superior on-road handling and unrivaled off-road performance
- Full width heavy-duty transmission crossmember allows for more durability and frame rigidity then the competition
- Rubicon Express Advantage Lifetime Warranty
Parts Included
- (2) Front Monotube Shocks
- (2) Rear Monotube Shocks
- (2) Front Coil Springs
- (2) Rear Coil Springs
- (2) 4-Link Front Upper Control Arms and Mounts
- (2) 4-Link Front Lower Control Arms
- (2) 4-Link Rear Upper Control Arms
- (2) 4-Link Rear Lower Control Arms
- (1) 4-Link Rear Control Arm Mount Set
- (1) Front Crossmember
- (1) JKLA 3.5"-4.5" Box Kit
- (1) Front Adjustable Track Bar
Additional Info
| SKU | RUB-JK4423M |
|---|---|
| Manufacturer Part Number | JK4423M |
| Variant ID | 4134794 |
| Brand | Rubicon Express |
| Part Type | Suspension Lift Kit |
| SKU Aliases | JK4423M |
| Lift Height Range | 3-4 in. |
| Lift Kit Height Range | 3-4 in. |
Installation Guide Download
What It Fits
| Years | Make | Model |
|---|---|---|
| 2007-2018 | Jeep | Wrangler JK |
Installation
Installation Guide Download
Compare Similar Products
| Current Product | Similar Product | Similar Product | |
 |  |  | |
| Brand | Rubicon Express | Rubicon Express | Rubicon Express |
|---|---|---|---|
| Name | Rubicon Express 3.5" Extreme Duty Long Arm 4-Link Suspension Lift Kit with MonoTube Shocks | Rubicon Express 3.5" Extreme Duty 4-Link Front 4-Link Rear Long Arm Lift Kit - No Shocks | Rubicon Express 3.5" Extreme Duty Long Arm Front Radius and Rear 4-Link Suspension Lift Kit with MonoTube Shocks |
| Price | $3,682.86 +$129.99 Surcharge (oversized) | $3,322.90 +$129.99 Surcharge (oversized) | $3,746.85 +$129.99 Surcharge (oversized) |
| Rating | |||
| Part Type | Suspension Lift Kit | Suspension Lift Kit | Suspension Lift Kit |
| Color | N/A | N/A | N/A |
| Material | N/A | N/A | N/A |
| SKU Aliases | JK4423M | JK4423 | JKR423M |
