Rough Country 639P Jeep Grand Cherokee WJ lift kit

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1999-04 Jeep Grand Cherokee WJ 4" X-Series lift kit, N2.2 shocks

Product No: 639P HK

Availability: In stock

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Important Notes

Will not fit AWD models. Models equipped with 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.

Quick Overview

The 4" X-Series lift kit for the Jeep Grand Cherokee WJ by Rough Country features front and rear coil springs, lower front adjustable tubular control arms with X-flex joints, rear upper control arm bracket, front sway bar quick disconnects, bump stop spacers & extensions, pitman arm, adjustable track rod, transmission crossmember spacers, rear sway bar brackets and rear shock relocation kit. The X-Flex control arms include Clevite OEM style rubber bushings, flex joints with 2.5" diameter body and huge 1.25" threads that are adjustable from stock up to 6" of lift. All joints are greasable and fully rebuildable. Upper joints pivot up to 20 degrees, Lower joints pivot up to 35 degrees. Also included are 4 N2.2 series shocks. Control arms feature Clevite OEM style rubber bushings. This kit maintains stock alignment for precise high speed handling and proper caster/pinion alignment.

View lift kit installation instructions

Required and/or Related Items

    • Make: Jeep
    • Model: Grand Cherokee WJ
    • Vehicle: 1999-04 Grand Cherokee WJ 4" X-Series lift kit, N2.2 shocks
    • 2or4: 2WD, 4WD
    • Tire Size: 265/75
    • Upsell: 87317N2 HK, PERF87317 HK, 87496 HK, 1091 HK


Rough Country lift kit fits the following models:
1999 Jeep Grand Cherokee WJ
2000 Jeep Grand Cherokee WJ
2001 Jeep Grand Cherokee WJ
2002 Jeep Grand Cherokee WJ
2003 Jeep Grand Cherokee WJ
2004 Jeep Grand Cherokee WJ

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