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910.34 910.34 USD 1,070.99

1,070.99

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Jeep Grand Cherokee WJ 99-04 8pc Cruise Series Adjustable Control Arm, Track Bar Kit

SKU: CRS-J-WJ-K8
Fits: 1999 - 2004 Jeep Grand Cherokee WJ Add vehicle

910.34 910.34 USD 1,070.99

1,070.99

Starting at $110/mo or 0% APR with . See if you qualify

Build Your Kit

  • Vehicle
    Confirm this matches your vehicle. Use Shop by Vehicle to filter correctly.
  • Brand
  • Color
    Powder coat color for control arms and track bars. Does not affect performance.
  • Hardware
    Choose upgraded hardware if your factory hardware is worn, damaged, or missing.
  • Series
    Cruise: daily driving and light off-road. Camp: overlanding. Crawl: aggressive rock crawling.
  • Note to Core4x4:

Select Color to see price and add to cart.

4–8 hr install Moderate Alignment recommended Lifetime warranty on all non-wear items Made In USA

The Ultimate Suspension Upgrade

Take your Jeep Grand Cherokee WJ (1999-2004) to the next level with the Cruise Series 8-Piece Suspension Kit. This all-inclusive control arm and track bar solution eliminates common suspension issues like wandering, rut tracking, steering instability, and even death wobble. Designed for absolute control over axle centering, pinion, and caster angles, this kit will drastically improve your vehicle’s highway drivability, off-road handling, and overall stability. For a ready-to-go lift kit, just pair this system with your choice of shocks and springs, and you'll have a setup that outperforms anything else on the market.

What’s Included in the Kit?

  • Cruise Series front upper control arms – CRS-J-WJ-FU2
  • Cruise Series front lower control arms – CRS-J-WJ-FL2
  • Cruise Series rear lower control arms – CRS-J-WJ-RL2
  • Cruise Series front track bar – CRS-J-WJ-FTB1
  • Cruise Series rear upper adjustable A-arm – CRS-J-WJ-AA1

Key Features and Benefits

  • Complete suspension overhaul – Eliminates wandering, rut following, steering instability, and death wobble for a smoother, more controlled ride.
  • Optimized adjustability – Designed to accommodate lifts from 2 to 6 inches, allowing for precise pinion and caster angle correction.
  • Enhanced durability – Built from heavy-duty steel tubing, providing superior strength and long-term reliability.
  • Upgrade-ready – Simply select your preferred shocks and springs to complete your lift kit and dominate any terrain.

Maximized Adjustability Performance

This fully adjustable 8-piece kit is engineered to recenter axles, correct suspension geometry, and eliminate driveline vibrations. The adjustable rear upper A-arm provides pinion angle correction, ensuring long-term drivetrain reliability and smooth highway cruising. By correcting caster and axle placement, this kit eliminates handling issues common in lifted WJs.

Two-Stage Powder Coating for Maximum Protection

To ensure maximum durability, all components in this kit undergo a two-stage powder coating process. The zinc primer base coat provides exceptional corrosion resistance, while the top coat—available in 10 color options—adds a personal touch while offering extra protection.

Proudly Made in the USA

The Cruise Series 8-Piece Suspension Kit is proudly manufactured in Orem, UT, using locally sourced materials. We ensure that every component meets the highest performance and durability standards while keeping costs competitive.

Optional Hardware Upgrade

This kit is designed for seamless installation using factory hardware. However, for those dealing with rusted or stubborn bolts, we offer optional Grade 8 hardware kits, available separately to make installation easier.

Final Thoughts

The Cruise Series 8-Piece Suspension Kit is the ultimate performance upgrade for your Jeep Grand Cherokee WJ. With enhanced axle centering, precise pinion and caster angle correction, and unmatched suspension stability, this kit delivers a better ride, superior control, and long-lasting durability. Pair this system with your choice of shocks and springs, and you'll have a high-performance lift kit that beats anything else on the market! Upgrade today and feel the difference in stability, handling, and off-road confidence.


Make Model Submodel Years
Jeep Grand Cherokee 1999 - 2004

Each rebuild kit includes all necessary components to replace and restore wearable parts.

Vehicle Jeep Grand Cherokee WJ (99–04)
Brand CORE 4X4
Color Black or Blue or Charcoal or Green or LightGreen or Orange or Purple or Red or White or Yellow or Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed.
Hardware No Hardware or Complete Kit
Series Cruise Series

See It Installed

Install videos and build guides on our YouTube channel.

Watch more installs on YouTube
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Reviews from Google

See all on Google
5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
AP
Ajay Paynter Mar 4, 2026
Google
Great company, who worked with me on shipping parts to arrive in time for a show. When I explained my concern they went above and beyond to make it happen. Quality of the parts is top notch.
RC
Ryan Colligan Mar 4, 2026
Google
I have nothing but good things to say about Core 4x4. I have the crawler series on my JKU and we take it all over the place. These parts handle everything we throw at them.
MT
Marcus Torres Jan 15, 2026
Google
Best control arms I have installed on any of my builds. After running every major manufacturer, Core 4x4 is on par or better than all the high-end companies at a fraction of the cost. Lifetime warranty is the cherry on top.
DT
Dean Tk421 Feb 21, 2026
Google
I purchased the Jeep WJ control arms Camp series over a year ago. Very pleased and impressed. Easy installation and solid build. Bracket broke for rear upper control arm, they redesigned it to be more robust and sent me a new one with hardware, honoring their guarantee!
GK
GLENN KOSZKA Apr 27, 2025
Google
The folks at Core 4X4 are always wonderful to deal with. They explain your options and never pressure or rush things. The quality of the Core Control Arms is top shelf, especially if your goal is to stop wheel hop. I recommend Core 4x4 without reservation ! ! !
MP
matthew patterson May 27, 2025
Google
Ive used core products for my last two jeeps and now my ram. They’re parts are the absolute best quality youll find ANYWHERE. Top quality products and A+ custom service keeps the as my go Roger for any suspension needs.
PB
Peter Busack May 27, 2025
Google
Purchased a set of Trailing arms for my Ram 1500, quality is first class. I bought the ones with the Jonny Joints for more articulation and it appears from the construction I should get a lifetime of use, Zerk fittings are an added plus. Would defiantly recommend, and the the service team answered all of my questions.
JT
Jay Taylor May 27, 2025
Google
Had a worn out set of rear upper control arms on my TJ. These were old rubicon express long arms. can’t buy replacements and no one makes a direct fit replacement. Talked with Korby at core off road sent some measurements and photos and a week later new arms showed up. Packaging was perfect fit was perfect. Would highly recommend giving these guys a call.
CT
Canon TeSelle Jun 26, 2025
Google
Great Experience. I wanted to make changes to my order and Korby was more than willing to work with me to get everything corrected. Hope to deal with these guys again in the future.
RP
Robin Poole Jul 26, 2025
Google
I had several questions before my purchase and Korby helped me with the correct parts to order and recommendations. Outstanding customer service and product knowledge! Can't wait to install them!
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