SKU: 90900U

Long Arm Upgrade Kit | 4 Inch Lift | Jeep Grand Cherokee WJ 4WD (1999-2004)

$1,299.95

  • 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.

ETA 10/12/2026

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.

WARNING: California Proposition 65: This product may expose you to chemicals known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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 hoursInstallation time is based on the manufacturer's estimate and may vary based on vehicle make/model and installer experience.

View Install Guide

YearMakeModelDrivetrain
1999–2004JeepGrand Cherokee4WD
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