Suspension and Components› Suspension Kits

Rock Krawler Suspension

20C WRANGLER JLU 4DOOR4.5IN X FACTOR SYSTEM B51

$3,545.55

SKU: R01V JL45XF-4B51

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This 4.5" X-Factor Mid Arm Suspension System from Rock Krawler is designed to provide excellent articulation and off-road performance for the Jeep Wrangler JL/JLU (4-door) gas models. It includes Bilstein shocks for improved ride quality and damping.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRock Krawler Suspension
Part NumberR01V JL45XF-4B51

Videos

Rock Krawler Suspension Install | Project Jeep Wrangler

Rock Krawler Suspension Install | Project Jeep Wrangler
New Adventure Series vs X Factor Series

New Adventure Series vs X Factor Series
heathen adds an inch of lift (Installing Rock Krawler X-Factor 3.5 inch lift on Jeep JL sport)

heathen adds an inch of lift (Installing Rock Krawler X-Factor 3.5 inch lift on Jeep JL sport)
Rock Krawler JL Suspension System Overview

Rock Krawler JL Suspension System Overview
2021 JL Wrangler on 40s! 4.5” RK X-factor Lift. DirtyLife Beadlocks

2021 JL Wrangler on 40s! 4.5” RK X-factor Lift. DirtyLife Beadlocks

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.

View Full Return Policy