Specifications
- Brand
- Superlift
- Part #
- K199FX
- UPC
- 804260107598

Superlift 18-23 Jeep Wrangler Unlimited 4in JLU Long Arm Kit - Fox RES Shocks
$6301.43
Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.
Fits 2018-2023 Jeep Wrangler Unlimited. This Superlift 4-inch long arm lift kit with Fox shocks improves off-road capability and on-road comfort.
Key Features
- Fits 2018-2023 Jeep Wrangler Unlimited 4-Door 4WD.
- Features a 4-inch suspension lift height.
- Includes Fox 2.0 Reservoir shocks for improved damping and performance.
- Rock Runner Series long arms offer enhanced suspension geometry and articulation.
- Dual durometer bushings and flex joints with Nylatron races ensure durability and smooth operation.
- On-vehicle adjustable track bars allow for precise alignment.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
This Superlift 4-inch Rock Runner Series Long Arm Kit is designed specifically for your 2018-2023 Jeep Wrangler JL Unlimited 4-Door 4WD. If you're looking to significantly enhance your Jeep's off-road performance and on-road manners, this kit is a substantial upgrade. It replaces key suspension components with more robust, longer-travel parts, allowing for greater articulation and a smoother ride over rough terrain.
The heart of this kit lies in its long-arm design and the included Fox 2.0 Reservoir shocks. The long arms provide a better suspension geometry compared to standard short-arm kits, which translates to improved stability and control, especially when tackling challenging trails. The dual durometer bushings and flex joints with Nylatron races are built for durability and smooth movement, while the on-vehicle adjustable track bars allow for precise alignment. The dual-rate, long-travel coil springs are engineered to handle the demands of off-road use while maintaining a comfortable ride on the street.
This kit includes everything needed for a comprehensive suspension lift, including the Fox 2.0 Reservoir shocks, which offer improved damping and heat dissipation for consistent performance. It's important to note that this kit is specifically for the 4-door Unlimited models and does not fit 2-door, Diesel, or 392 models. Proper installation will ensure you get the most out of this well-built suspension system.
Specifications
- Brand
- Superlift
- Manufacturer Part #
- K199FX
- UPC
- 804260107598
Frequently Asked Questions
You Might Also Like
Similar products from the same category

Superlift 00-04 Ford F-250/F-350 SuperDuty 4WD (Diesel/V-10) 8in Lift Kit Bilstein Shock Box

Superlift 08-16 Ford F-250/F-350 SuperDuty 4WD (Diesel) 6in Lift Kit Bilstein Shock Box

Superlift 09-18 Dodge Ram 1500 4WD 4-6in Lift Kit Bilstein Shock Box

Superlift 14-18 Dodge Ram 3500 Fox Shock Box - 4-6in Lift Kit - Front and Rear Shocks
Superlift 18-23 Jeep Wrangler Unlimited 4in JLU Long Arm Kit - Fox RES Shocks
