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Built for strength. Designed to stand out.
The long awaited WJ 4-inch Longarm Upgrade Kit is a comprehensive package including everything needed for a great suspension upgrade while maintaining the vehicle's crucial center of gravity. The kit includes adjustable high-clearance X-Flex upper and lower control arms with durable rubber bushings, featuringX-Flex joints. The kit also includes 1/4-inch thick steel crossmember, skid plate and sway bar disconnects. This Longarm Upgrade Kit is a total solution comprised of top-notch components designed for the avid off-roader who wants the most out of their WJ.
This top of the line kit focuses on improving off-road handling and articulation while preventing binding and rear steer. This kit features high-clearance components with a front 4-link and rear y-link control arm design. This promotes extreme flex while keeping pinion angles optimized. Utilizing adjustable components, this kit can also accommodate future modifications.
Notes: Does NOT fit AWD models. Models equipped with a CV style front driveshaft may result in driveshaft vibration. If this occurs, replacing the driveshaft
Install time: 8-9 hours
Part Number: 90900U
Specifications
- Brand
- Rough Country
- SKU
- 90900U
Shipping timelines and return eligibility may vary by product. Contact Mountain Fire Wheels for fitment, availability, and order support before purchasing if you are unsure.
Return eligibility varies by product type and condition. Contact our team before initiating a return so we can help with fitment and order support.
Have a question about this wheel or fitment? Reach out to our experts by phone, text, or live chat and we'll help before you buy.










