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4pc Crawl Series Rear Adjustable Control Arm Kit

Jeep Grand Cherokee WK 05-10 4pc Crawl Series Rear Adjustable Control Arm Kit
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831.56 831.56 USD 923.95

923.95

(Save 10%)

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Order today — ships within 1–3 business days
Enter ZIP for arrival estimate change
Order by 3:00 PM MT today — we'll start tomorrow
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Lifetime warranty Fitment guarantee Ships from Orem, UT 4–8 hr install
COLOR 11 colors — pick yours
https://core4x4.com/web/image/product.template/1747/image_1920?unique=edc8f61

4pc Crawl Series Rear Adjustable Control Arm Kit

Jeep Grand Cherokee WK 05-10 4pc Crawl Series Rear Adjustable Control Arm Kit
SKU: CRL-J-WK-RS4
Pick your vehicle to confirm fit

831.56 831.56 USD 923.95

923.95

(Save 10%)

COLOR 11 colors
Black Blue Charcoal Green LightGreen Orange Purple Red White Yellow Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed.
Compare all tiers →

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.
  • Lift Size
    Choose your current front lift height. Measure from center of wheel to fender if unsure.
  • 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.
  • Gas Tank Skid Clearance Bend
  • Note to Core4x4:

Select Color to see price and add to cart.

Order today — ships within 1–3 business days
Enter ZIP for arrival estimate change
Order by 3:00 PM MT today — we'll start tomorrow
See full timeline

Alignment recommended Lifetime warranty on all non-wear items Made In USA

Made in USA Orem, Utah
Lifetime Guarantee Unconditional
10 Colors In-house powder coat
Fully Adjustable 0-6" of lift
3 X-Series Options Only Core 4x4

Maximize Your Jeep Grand Cherokee WK’s Suspension Performance

Upgrade your Jeep Grand Cherokee WK (2005-2010) with the Crawl Series Rear Control Arm Set, engineered for unmatched strength, durability, and off-road articulation. This set replaces factory components with heavy-duty adjustable control arms, ensuring precise axle alignment, optimized suspension geometry, and improved handling—essential for lifted vehicles navigating rough terrain.

Key Features and Benefits

  • Unmatched Strength Durability – Built from .313" wall DOM tubing, these control arms provide maximum resilience and longevity in extreme off-road conditions.
  • Full Suspension Adjustability – Designed to accommodate lifts from 0 to 6 inches, allowing for pinion angle correction, rear axle centering, and precise suspension tuning.
  • Rock Jock Johnny Joints for Maximum Flexibility – Featuring Johnny Joints at both ends, these control arms deliver superior articulation and responsiveness, providing smoother suspension movement over uneven terrain.
  • Precision-Engineered On-Vehicle Adjustability – Left and right-hand threaded adjusters allow fine-tuning without removal, making suspension modifications faster and easier.
  • Optional Bent Upper Control Arms for Additional Clearance – Need extra room around your gas tank skid plate? Opt for the bent rear upper control arms to optimize clearance and fitment.
  • Recommended Pairing – For a complete rear suspension upgrade, pair this kit with the Crawl Series Rear Track Bar (CRL-J-WK-RTB1) to fine-tune axle alignment and stability for maximum off-road performance.

Durable Two-Stage Powder Coating

Each control arm undergoes a two-stage powder coating process, featuring a corrosion-resistant zinc primer base coat and a top coat available in 10 colors. Ensures maximum protection against rust and wear while allowing you to customize the look of your suspension components.

Proudly Made in the USA

Manufactured in Orem, UT, our Crawl Series Rear Control Arm Set is built to top-tier American craftsmanship standards, ensuring superior reliability, precision, and strength.

Optional Hardware Upgrade

  • This kit is designed for straightforward bolt-on installation using factory hardware.
  • If you’re dealing with rusted or stubborn bolts, we offer optional Grade 8 hardware kits to ensure a seamless setup.

  • Vehicle Fitment: Jeep Grand Cherokee WK 05-10 – Improves rear axle stability, articulation, and suspension geometry for smoother handling on- and off-road.

  • CORE Advantage: Reduces driveline vibrations, enhances off-road flexibility, and maintains proper alignment with Johnny Joints at both ends for superior articulation.

  • Adjustability: Designed for 0 to 6-inch lifts, allowing precise pinion angle correction, axle centering, and on-vehicle adjustability for fine-tuning suspension without removal.

  • Construction: Built from 5/16” wall DOM tubing, with optional bent upper control arms for additional clearance, ensuring maximum durability and optimal fitment.

  • Two-Stage Powder Coating: Zinc primer base and top coat available in 10 vibrant colors protect against corrosion and allow for personalized styling of your rig.

  • Warranty and Origin: Proudly manufactured in the United States, our product includes a lifetime warranty on all non-wear items, providing you with confidence and peace of mind in your purchase.

Built With

Rear Lower Control Arms Built With 1.75” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1.25” x 12 TPI - 2.625” long threads.

Rear Upper Control Arms Built With 1.5” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1” x 14 TPI - 2.32” long threads.

Make Model Submodel Years
Jeep Grand Cherokee 2005 - 2010

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

Construction & Materials

Jeep Grand Cherokee WK 05-10 2pc Crawl Series Rear Lower Adjustable Control Arms

Rear Lower control arms built with 1.75” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1.25” x 12 TPI - 2.625” long threads.

Jeep Grand Cherokee WK 05-10 2pc Crawl Series Rear Upper Adjustable Control Arms

Rear Upper control arms built with 1.5” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1” x 14 TPI - 2.32” long threads.

Vehicle Jeep Grand Cherokee WK (05–10)
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.
Lift Size 0" — 6" or 6"+
Hardware No Hardware or Complete Kit
Series Crawl Series
Gas Tank Skid Clearance Bend No Bend or Clearance Bend
Placement on Vehicle Rear Upper, Rear Lower, Rear
Mounting Style Bolt-On
Google

Reviews of Core 4x4

See all on Google
5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
BB
Brayden Brockey Mar 23, 2024
Google
Got a set of upper control arms for my xj, really impressed with the quality
Review photo 1
GV
Gil Valk Sep 24, 2025
Google
Excellent service, Prompt responses when needing technical assistance, Amazing looking parts that fit excellently. I would recommend them to anyone looking for suspension components. Also very well packaged when we received the shipment, which means no damage from shipping company!! We went with the Crawl Series double adjustable kit and it definitely looks killer on our build!!!
Review photo 1 Review photo 2 Review photo 3 Review photo 4
PG
Paul Griffin Feb 21, 2026
Google
Great long arm kit with everything else I needed as well! They worked with me to ensure that I was getting an upgraded components kit just like I wanted. Fast shipping with some of the best packaging that I have ever seen. Nothing was scratched or missing and this kit is even more impressive than the videos or website can show. Powder coating looks great with no issues. I would highly recommend CORE 4x4 to anyone looking for a great quality kit.
EA
Eric Ahonen Mar 24, 2021
Google
Awesome control arms! My mechanic said “ your Jeep is pretty much bulletproof now.” And I just got the tier 1 arms! The people at the core 4x4 shop were really nice too. They were running behind on shipping, (which is understandable) so I decided to go pick it up because it was only an hour drive. They gave me a free $60 hardware kit for the inconvenience. Thanks core 4x4! You guys are awesome!!
JC
John Cutler Oct 24, 2025
Google
In September 2025, we visited CORE 4x4 in Orem, Utah. CORE 4x4 makes control arms and other similar parts that stiffen the suspension of an off-road 4x4 vehicles, so that the off-road vehicles can travel on more rugged terrain. CORE 4x4 used to share this building with another business, and since this other business has moved elsewhere, CORE 4x4 will continue to expand and grow their business. Good for CORE 4x4 to be a growing company and to expand into the vacant part of the building.
Review photo 1 Review photo 2 Review photo 3 Review photo 4
MN
Mike Nielsen Nov 23, 2025
Google
The customer service is first class. I had an issue with a track bar I installed on my F350. I don’t have any other Core 4x4 parts yet, but with the way I was treated, I know their parts are well done, because they went above and beyond to make sure I was made whole. They wouldn’t be in business if they had to take care of a lot of people like they took care of me. Will definitely be back when it’s time to build the Jeep!
TR
Tim Reigies Mar 25, 2018
Google
Received the track bar I ordered, product looks extremely strong, thx core 4x4
RR
Ryan Rogers Aug 25, 2025
Google
I purchased a set of the Cruiser Series control arms for my Jeep Jk based on postive reviews from different Jeep Facebook pages. Ordered and 2 days later realized they had the very same exact arms on sale in the overstock section. Called them up and they refunded me the savings from my original purchase. Amazing, honest service. Can't wait to get them installed. Keep up the good work guys.
JA
Jonathan Aguilera Jan 22, 2026
Google
Great experience with Core 4x4! I purchased some suspension parts for my dad's 98 Jeep TJ. The products they make are super durable and look even better in person. Attention to detail and overall superior quality. The staff at Core 4x4 is super helpful also, Korby has been great. Updating me on the status of my order and sending me tracking numbers as well. Thank you all at Core 4x4, keep up the amazing work!
MP
Mirko Pompili Mar 19, 2026
Google
I want to share a truly positive experience. I ordered a car kit consisting of two packages, but unfortunately one was lost during shipping with UPS. The situation could have become complicated... but it didn't. The company manager was extremely helpful and professional: he personally followed up on the situation and did everything he could to resolve the issue, even sending me the package again without hesitation. It's rare to find such attentive and reliable customer service these days. My sincere congratulations on your professionalism and commitment: that makes all the difference.

Specifications

Color Black, Blue, Charcoal, Green, LightGreen, Orange, Purple, Red, White, Yellow, Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed.
Lift Size 0" — 6", 6"+
Hardware No Hardware, Complete Kit
Gas Tank Skid Clearance Bend No Bend, Clearance Bend
Vehicle Jeep Grand Cherokee WK (05–10)
Brand CORE 4X4
Series Crawl Series
Note to Core4x4: -
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