Suspension and Components› Suspension Kits

Rock Krawler Suspension

21C WRANGLER JLU 4DOOR [4XE]4.5IN X FACTOR SYSTEM B51

$3,640.55

SKU: R01V JL45XF-4XEB51

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Description

The Rock Krawler 4.5 X-Factor Mid-Arm 4XE System is a complete bolt-in suspension designed for Sport and Sahara owners seeking excellent highway ride and handling, improved off-road ability, and superior articulation. It features adjustable upper and lower control arms with Pro-X Krawler Joints and Adventure Series joints, triple-rate coil springs, spring correction pads, and front/rear track bar geometry corrections. The system includes Bilstein 5100 shocks. It is upgradable to an RK Long-Arm System and carries a lifetime warranty.

Fitment

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Specifications

BrandRock Krawler Suspension
Part NumberR01V JL45XF-4XEB51

Videos

The Ultimate Jeep Wrangler Lift Kit Comparison – On & Off-Road Test

The Ultimate Jeep Wrangler Lift Kit Comparison – On & Off-Road Test
Rockzilla Suspension System - JLU Wrangler

Rockzilla Suspension System - JLU Wrangler

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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