3.5" Adventure-X Mid-Arm Suspension System for Jeep Wrangler JLU
The Rock Krawler 3.5" Adventure-X Mid-Arm Suspension System for Jeep Wrangler JLU (Gas Models) is engineered for Jeep enthusiasts who demand a complete, bolt-in system that delivers both on-road comfort and unmatched off-road articulation. Designed for Sport and Sahara trims, this mid-arm system offers the best combination of performance, ride quality, and durability in its class.
Featuring 8 adjustable control arms with 100% service-free Adventure Series joints, this setup provides 70° of misalignment to reduce binding and fine-tune your caster and pinion angles. Combined with tuned triple-rate coils, you’ll enjoy a smoother highway ride, improved off-road flex, and perfect axle centering.
Every component is precision-built to enhance geometry, stability, and vehicle control. Whether you're daily driving, towing, or tackling rugged trails, the Adventure-X system ensures superior handling and confidence behind the wheel.
Key Benefits:
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Complete bolt-in installation — no cutting or welding required
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Exceptional on-road comfort and off-road articulation
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Triple-rate coil springs for balanced ride quality and lift performance
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Spring and vehicle lean correction for perfect stance
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Improved rear roll center and precise axle alignment
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Upgradable to Rock Krawler long-arm system
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Lifetime warranty and industry-leading technical support
System Includes:
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(4) Triple-rate coil springs
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(4) Adjustable control arms (front & rear, upper & lower)
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Adjustable front track bar
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Front & rear sway bar links
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Spring pads and relocation brackets
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Optional Bilstein 5100 or RRD 2.25” IFP shocks
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All necessary bump stops and hardware
Recommended Tire Fitment:
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37”–38” tires with full OEM fenders
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40” tires with trimmed or high-lined fenders
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3” bump stop height recommended
General Notes:
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Lift heights based on Rubicon configuration
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Adjust coil height for overland or lightweight builds
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Front driveshaft upgrade recommended for frequent off-road use
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Why Choose KAJU
We Live the Lifestyle
At KAJU, we don’t just supply gear; we’re part of the off-road culture. Our products are tested on the same trails we ride.
Built for Iconic Rigs
We stock gear for Jeep Wrangler, Gladiator, Ford Bronco, Toyota Tacoma & 4Runner, UTVs, RZR, X3, and more — all handpicked for rugged performance.
Gear That Holds Up
From tactical seat covers to paracord grab handles and rugged storage, every item is selected for durability and desert readiness.
Proven in Harsh Terrain
With real-world testing across the GCC, we work with top-tier brands that meet military-grade standards and thrive in extreme conditions.