
Rock Krawler JL 3.5" X Factor Mid Arm System
Upgrade your Jeep Wrangler JL with the Rock Krawler JL 3.5" X Factor Mid Arm System, designed specifically for enthusiasts who crave exceptional off-road performance without sacrificing on-road comfort. This complete bolt-in installation is perfect for those looking to maximize articulation and durability.
Key Features
The X Factor Series features adjustable lower control arms that provide an impressive 90 degrees of misalignment, effectively eliminating the binding issues found in factory lowers. The adjustable upper control arms allow for precise tuning of your JL's caster, ensuring optimal handling both on and off the road.
With Rock Krawler's industry-leading triple rate coils, you’ll enjoy a 3.5" lift that accommodates up to 40" tires (depending on your model). This system not only enhances your vehicle's off-road capability but also improves the on-road ride quality compared to stock linear rate springs.
System Benefits
- Complete bolt-in system for easy installation
- Exceptional highway ride quality
- Enhanced off-road performance
- Triple rate coil springs for superior comfort
- Front and rear spring leveling pads included
- Lifetime warranty on all hard parts
- Upgradeable to Rock Krawler JL Long Arm system
What’s Included
This comprehensive system comes with:
- (4) Triple rate coil springs
- (2) Front adjustable lower control arms
- (2) Front adjustable upper control arms
- (2) Front spring pads
- (1) Adjustable front track bar
- (2) Sway bar disconnects
- (2) Sway bar link relocation brackets
- (2) Sway bar disconnect straps
- (2) Rear adjustable lower control arms
- (2) Rear adjustable upper control arms
- (2) Rear spring pads
- (2) Extended rear sway bar links
- (1) Adjustable rear track bar
- (1) Bolt-on rear track bar relocation bracket
Lift Height & Tire Fitment
Lift heights are based on stock Rubicon models:
- Sahara: Adds 0.393" lift
- Sport: Adds 0.787" lift
Tire Fitment
For optimal fitment:
- Sport and Sahara with Full OEM Fenders: Up to 37" tires (3" bump stop height recommended)
- Sport and Sahara with Trimmed or High Lined OEM Fenders: Up to 38" tires (3" bump stop height recommended)
- Rubicon with Full OEM Fenders: Up to 37"/38" tires (3" bump stop height recommended)
- Rubicon with Trimmed or High Lined OEM Fenders: Up to 40" tires (3" bump stop height recommended)
Wheel Fitment
Recommended backspacing:
- Sport and Sahara: 3.5" backspacing for 37"/38" tires
- Rubicon: 4.5" backspacing for 37" tires; 3.5" backspacing for 40" tires
Shock Specifications
Shock length recommendations:
- Front: 18-19" collapsed / 30" maximum extended
- Rear: 20-21" collapsed / 32" maximum extended
Customer Feedback
Users have praised the JL 3.5" X Factor Mid Arm System for its impressive off-road handling and stability, especially when tackling tough trails. Many have noted the improved ride comfort on the highway, making it a perfect choice for daily drivers who love adventure on weekends.
General Notes
All lift heights are based on Rubicon models. A new front C.V. driveshaft is recommended for any front shocks with maximum extended lengths greater than 29".
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Rock Krawler is a company that specializes in manufacturing aftermarket suspension parts for Jeeps. Offroading is an extreme activity that requires a vehicle that is strong enough to handle the tasks. The factory original parts are good for daily driving, but when it comes to offroading, you need more robust parts and that is where Rock Krawler comes into play. Today, they are one of the leading sources of offroading parts for many Jeep owners.
Parts That Can PerformEach of Rock Krawler’s products is made up of high-quality materials that ensure durability and reliability. It is designed to perform better than its stock counterpart and can withstand the harsh condition of offroading. Their suspension components allow better suspension movement and articulation which is a requirement when you are tackling different terrains and obstacles offroad.
Not Just For OffroadingBut just because their parts are designed for hardcore offroading doesn’t mean that they can’t be used on the streets. That is the beauty of Rock Krawler parts. You can use your vehicle as a daily driver. And when the time comes that you want to hit the trails, just pack your bags and go.
Purchase Rock Krawler Parts At Vivid RacingIf you want to turn your Jeep into a worthy offroad vehicle, then Rock Krawler is the brand for you. They have provided their customers with quality offroad parts for years and have consistently created innovative products that adapt to the ever-changing automotive trend. If you are looking for a Jeep expert company, then you don’t have to go far to find it. To know more about Rock Krawler, visit Vivid Racing and check out their list of offerings that fit your specific need.
Sale price | None |
Wholesale price | $2,339.43 |
Shipping |
Weight: 207.00 Length: 24 Width: 41 Height: 12 |
Product Added At | Wednesday 09 January, 2019 |
Product Modified At | Friday 11 July, 2025 |
Imported By | ETLOverride |
Last Edited By | vendordata@vividracing.com |
View In Admin |
Carb Approved | - |
---|---|
Carb Number | - |
Epa Status | N/A |
Prop65 | Unknown |
Carb Required | - |
Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
---|---|---|---|---|---|---|---|---|---|---|
Meyer Distributing | $1,982.57 | $2,797.66 | $2,981.03 | $2,831.98 | ? | 2025-07-11 06:24:37 |
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