Rock Krawler 3.5" Adventure - X Mid-Arm Suspension System for 18-26 Jeep Wrangler JL Unlimited 4-Door
Massive Strength Upgrade: The Sport and Sahara factory control arms are relatively thin stamped steel; the Adventure-X replaces them with 1.75" solid alloy steel arms. This is a massive jump in durability, backed by a lifetime "Abuse It" warranty that covers bending or breaking on the trail.
Maintenance-Free Articulation: Using Rock Krawler’s specialized bushings, this kit provides huge amounts of wheel travel and articulation without the need for constant greasing. It offers the quiet, smooth ride desired for a Sahara or daily-driven Sport, while still allowing the axles to flex deeply off-road.
Corrected Steering Geometry: This system includes an adjustable heavy-duty front track bar made from solid steel. This centers the axle perfectly under the Jeep and works in tandem with the adjustable control arms to ensure your steering is precise and your "death wobble" risk is minimized.
Future-Proof Performance: Whether you are starting with a stock Sport or a loaded Sahara, this 3.5-inch height provides a foundation that grows with your build. It offers the clearance needed for 37" tires if you later decide to add high-clearance fenders, making it a "one and done" suspension investment.
Many states have laws that limit the maximum height of a lifted vehicle. Never exceed the legal height limit.
The Rock Krawler 3.5" Adventure-X Mid-Arm System for the Jeep Wrangler JLU Sport and Sahara is engineered to transform the entry-level and luxury trims into formidable off-road machines. Because the Sport and Sahara models come from the factory with narrower axles and lower fender flares than the Rubicon, this 3.5-inch lift is a "game changer," providing the necessary height to clear 35-inch to 37-inch tires while drastically improving the suspension's structural integrity. The Adventure-X series specifically upgrades the control arms to 1.75-inch solid alloy steel, ensuring that even if you take your daily driver into deep rock gardens, your suspension components are likely the strongest parts of the vehicle.
A major advantage for Sport and Sahara owners is how this system corrects the factory "rake" (the front sitting lower than the rear) and improves the overall handling dynamics. The kit includes triple-rate coil springs that are tuned to handle the weight of added steel bumpers or side steps without sagging, providing a plush ride on the highway while remaining firm enough to prevent body roll in sharp turns. By replacing all eight factory control arms with adjustable mid-arms, you can perfectly dial in the caster angle, which is essential for these trims to maintain a straight-tracking, stable steering feel at high speeds, effectively eliminating the "flighty" sensation often found in lifted Jeeps.
- (4) Triple-Rate Coil Springs
- (2) Front Adjustable High Clearance Lower Control Arms
- (2) Front Adjustable Upper Control Arms
- (2) Front Spring Pads
- (1) Adjustable Front Track Bar
- (2) Gen - II Front Sway Bar Links
- (2) Rear Adjustable High Clearance Lower Control Arms
- (2) Rear Adjustable Upper Control Arms
- (2) Rear Spring Pads
- (2) Adjustable Rear Sway Bar Links
- (1) Bolt-on Rear Track Bar Relocation Bracket
Jeep Wrangler Unlimited 4-Door (JL)
- 2026 Jeep Wrangler Unlimited 4-Door (JL)
- 2025 Jeep Wrangler Unlimited 4-Door (JL)
- 2024 Jeep Wrangler Unlimited 4-Door (JL)
- 2023 Jeep Wrangler Unlimited 4-Door (JL)
- 2022 Jeep Wrangler Unlimited 4-Door (JL)
- 2021 Jeep Wrangler Unlimited 4-Door (JL)
- 2020 Jeep Wrangler Unlimited 4-Door (JL)
- 2019 Jeep Wrangler Unlimited 4-Door (JL)
- 2018 Jeep Wrangler Unlimited 4-Door (JL)
Rock Krawler 3.5" Adventure - X Mid-Arm Suspension System Options
| Part Number | Catalog # | Shock Options | Engine Options | Price | |||||
|---|---|---|---|---|---|---|---|---|---|
| 16189-4442 | without Shocks | 2.0/3.6L Engine | $2,600.88 | ||||||
| 16189-4444 | with RRD 2.25" IFP Shocks | 2.0/3.6L Engine | $3,757.80 | ||||||
| JL35AXM-4CS | 16189-4445 | with RRD 2.625" RR Coilover Shocks | 2.0/3.6L Engine | $6,710.05 | |||||
| 16189-4503 | without Shocks | 3.0L Diesel Engine | $2,648.38 | ||||||
| 16189-4505 | with RRD 2.25" IFP Shocks | 3.0L Diesel Engine | $3,805.30 | ||||||
| JL35AXM-4DCS | 16189-4506 | with RRD 2.625" RR Coilover Shocks | 3.0L Diesel Engine | $6,710.05 | |||||
| 16189-4464 | without Shocks | 4Xe Engine | $2,648.38 | ||||||
| 16189-4466 | with RRD 2.25" IFP Shocks | 4Xe Engine | $3,805.30 | ||||||
| JL35AXM-4XECS | 16189-4467 | with RRD 2.625" RR Coilover Shocks | 4Xe Engine | $6,710.05 |
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