4" Lift Kit - Long Arm - Jeep 4WD 99-04
4 Inch Lift Kit | Long Arm | Jeep Grand Cherokee WJ 4WD (1999-2004)
The long awaited WJ 4-inch longarm kit is a comprehensive package including everything needed for a great suspension lift while maintaining the vehicle's crucial center of gravity. Upgrade your WJ and gain aggressive looks, extreme flex, and enough ride height to run up to 31-inch tires. The kit includes adjustable high-clearance X-Flex upper and lower control arms with durable rubber bushings, featuringx-flex joints.
The kit also includes front and rear coil springs, a front adjustable track bar with drop bracket, 1/4-inch thick steel crossmember, skid plate and sway bar disconnects. Outfitted with Rough Country's N3 shocks, this longarm lift 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 lift 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.
Vehicle fitment & tire options
Vehicle fitment
- 1999-2003 Jeep Grand Cherokee (4WD)
Tire / wheel / bolt pattern / offset / notes
265/75R16 / Factory 16 / 5x5.0 / - / -
265/70R17 / Factory 17 / 5x5.0 / - / -
265/65R18 / Factory 18 / 5x5.0 / - / -
31x10.50R16 / 16x8 / 5x5.0 / +30 / -
265/70R17 / 17x9 / 5x5.0 / -12 / -
265/65R17 / 17x9 / 5x5.0 / -12 / -
265/65R18 / 18x9 / 5x5.0 / -12 / -
32x11.50R20 / 20x9 / 5x5.0 / -12 / Trimming Required
265/55R20 / 20x9 / 5x5.0 / -12 / -
245/60R20 / 20x9 / 5x5.0 / -12 / -
245/55R20 / 20x9 / 5x5.0 / -12 / -Features & product video
- Aggressive appearance
- Increased ground clearance
- HD 0.25" thick crossmember
- Lower control arms feature high clearance design
- Extreme travel long arms keep optimum alignment and give optimum articulation.
- X-Flex control arm features:
- Durable OEM style rubber bushings.
- Flex joints feature a massive 2.5" diameter body and 1.25" thread.
- Fully greasable.
- Upper joints pivot up to 20 degrees.
- Lower joints pivot up to 35 degrees.
Product specifications
Product category: Susp Lift Kits 4wd
Manufacturer: Rough Country
Manufacturer part number: 90820
UPC: 843030124342
Country of origin: United States
Manufacturer-listed weight: 283.00 lbs
Product notes & installation
Does not fit V8 models. Does not fit models with quadra-trac I, quadra-trac ii, or quadra-drive. Does not fit models equipped with a rzeppa joint front driveshaft. Models equipped with a cv style front driveshaft may result in driveshaft vibration. If this occurs, replacing the driveshaft, axle yoke and / or transfer case yoke will need to be performed to rid the vehicle of driveline vibration.
Estimated installation time: 8-9 hours
Included components
Front components
- Lifted coil springs
- Adjustable upper control arms
- Adjustable lower control arms
- Crossmember
- Transfer case skid plate
- Adjustable track bar
- Track bar bracket
- Sway-bar quick disconnects
- Bumpstop brackets
- Brake line brackets
- Hardware
Rear components
- Lifted coil springs
- Adjustable y-link upper control arm
- Adjustable lower control arms
- Long arm frame brackets
- Long arm axle mount
- Sway-bar brackets
- Lower shock brackets
- Hardware
Refund Policy
Returns accepted within 30 days of purchase. Items must be unused, in original packaging, and include proof of purchase. Restocking fees may apply. Non-returnable items: custom orders, electrical parts, and used products. For full details, visit our Refund Policy page.
