Rock Krawler 4.50-Inch X-Factor Mid-Arm Suspension Lift Kit (07-18 Jeep Wrangler JK 4-Door)Find parts that fit my vehicle

High-Clearance Mid-Arm System. The Rock Krawler 4.50-Inch X-Factor Mid-Arm Suspension Lift Kit is engineered to give your JK 4-door maximum performance on and off the trail. Designed for drivers who want excellent ride quality and long-travel articulation, this system delivers unmatched off-road capability among mid-arm kits while retaining everyday drivability. With a complete bolt-in design, it's the ideal lift for serious overlanders and rock crawlers alike.

Construction and Appearance. Featuring tuned triple-rate coils and spring correction seats, this kit ensures your Jeep stays level and stable in all conditions. The improved rear roll center enhances high-speed control, while built-in lean correction keeps the vehicle square under load. All components are built from durable, high-strength materials and backed by a lifetime warranty, making this a dependable long-term upgrade. It's also upgradable to a full long-arm system for even greater trail capability down the line.

Installation. Installation is hard and requires advanced mechanical skills and tools. Although the system is completely bolt-in, precise setup and post-install alignment are necessary to ensure correct suspension geometry and optimal performance.

Warranty. Lifetime warranty on all hard parts included.

Application. This Rock Krawler 4.50-Inch X-Factor Mid-Arm Suspension Lift Kit fits 2007 to 2018 Jeep Wrangler JK 4-Door.

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