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4pc Cruise Series Rear Adjustable Control Arm Kit

Jeep Wrangler JL / JLU 18+ 4pc Cruise Series Rear Adjustable Control Arm Kit
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393.71 393.71 USD 524.95

524.95

(Save 25%)

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Order today — ships within 1–3 business days
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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://dev.core4x4.com/web/image/product.template/2124/image_1920?unique=edc8f61

4pc Cruise Series Rear Adjustable Control Arm Kit

Jeep Wrangler JL / JLU 18+ 4pc Cruise Series Rear Adjustable Control Arm Kit
SKU: CRS-J-JL-RS4
Pick your vehicle to confirm fit

393.71 393.71 USD 524.95

524.95

(Save 25%)

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.
  • 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.

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

Complete Rear-End Suspension Control

Upgrade your Jeep Wrangler JL (2018-Present) with the Cruise Series Rear Control Arm Set, engineered to restore alignment, re-center the rear axle, and eliminate driveline vibrations caused by improper pinion angles.

This comprehensive rear-end solution replaces weak factory components with stronger, adjustable control arms, ensuring on-road stability and off-road durability.

Key Features and Benefits

  • Heavy-Duty Steel Tubing Construction – Built for maximum strength and durability, ensuring your suspension can handle the toughest conditions.
  • Precision Adjustability – Corrects alignment, re-centers the rear axle, and restores proper pinion angle, accommodating lifts from 0 to 6 inches.
  • Eliminates Driveline Vibrations – Adjustable upper control arms allow for precise pinion angle correction, reducing stress on the driveshaft and eliminating unwanted vibrations.
  • Tapered Polyurethane Bushings – Reduces vibration, improves articulation, and enhances ride quality over standard rubber bushings.
  • Improved Ride Stability – Addresses rear-end instability, excessive movement, and tire wear, ensuring a smoother ride on and off the road.
  • Recommended Pairing for a Complete Suspension Solution – For full rear-end alignment and handling improvements, pair with our Cruise Series Rear Track Bar (CRS-J-JL-RTB1).

Two-Stage Powder Coating for Maximum Protection

To ensure long-lasting durability, every control arm undergoes a two-stage powder coating process: Zinc Primer Base Coat – Prevents rust and corrosion, ensuring protection in harsh environments. Customizable Top Coat – Choose from 10 available colors to match your vehicle’s aesthetics and add a personal touch.

Made in the USA

Proudly manufactured in Orem, UT, our Cruise Series Rear Control Arm Set is built with the highest standards of American craftsmanship, ensuring consistent, reliable performance in all driving conditions.

Optional Hardware Upgrade

  • Our Cruise Series Rear Control Arm Set is designed for easy installation using factory hardware.
  • However, for those dealing with rusted or stubborn bolts, we offer optional Grade 8 hardware kits, available separately to ensure a secure and hassle-free installation.

Whether you're tackling rugged trails or daily commuting, these control arms deliver the strength and adjustability your Jeep JL needs.

Upgrade today and experience better ride stability, reduced tire wear, and a vibration-free driving experience with CORE 4X4’s Cruise Series Rear Control Arm Set!


  • Vehicle Fitment: Jeep Wrangler JL 18+ – Enhances rear suspension performance by correcting axle alignment, improving handling, and eliminating driveline vibrations.

  • CORE Advantage: Fully adjustable upper and lower control arms allow precise rear axle positioning and pinion angle correction, ensuring a smoother ride and reduced drivetrain stress.

  • Adjustability: Designed for lifts from 0 to 6 inches, this set re-centers the axle, fine-tunes alignment, and restores proper suspension geometry for improved drivability.

  • Construction: Built from heavy-duty steel tubing with tapered polyurethane bushings for durability, vibration reduction, and long-lasting suspension performance.

  • 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 1.875” OD 3/16” Wall DOM. Polyurethane Bushings on the fixed and adjustable ends with 1.25” x 12 TPI - 3.25” long threads.

Rear Upper Control Arms Built With 1.625” OD 3/16” Wall DOM. Polyurethane Bushings on the fixed and adjustable ends with 1” x 14 TPI - 3.25” long threads.

Make Model Submodel Years
Jeep Wrangler 2018 - Present

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

Construction & Materials

Jeep Wrangler JL / JLU 18+ 2pc Cruise Series Rear Lower Adjustable Control Arms

Rear Lower control arms built with 1.875” OD 3/16” Wall DOM. Polyurethane Bushings on the fixed and adjustable ends with 1.25” x 12 TPI - 3.25” long threads.

Jeep Wrangler JL / JLU 18+ 2pc Cruise Series Rear Upper Adjustable Control Arms

Rear Upper control arms built with 1.625” OD 3/16” Wall DOM. Polyurethane Bushings on the fixed and adjustable ends with 1” x 14 TPI - 3.25” long threads.

Vehicle Jeep Wrangler JL / JLU (18–Present)
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
Placement on Vehicle Rear Upper, Rear Lower, Rear
Mounting Style Bolt-On

Use the vehicle selector on our website to shop by your year, make, and model. On product pages, use the kit builder to select your color, series, lift height, and any add-on options, then add to cart. If you need help, call or email our team.

Standard orders typically ship within 1–3 business days of ordering. Custom color orders take approximately 5–10 business days. Because everything is built in-house, we can turn orders quickly even for custom specifications.

You can reach our team through the contact form on our website, or browse to the Contact Us page. Our team is available to answer pre-sale and technical questions before and after your purchase.

Google

Reviews of Core 4x4

See all on Google
5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
JJ
Jason Jukich Jul 26, 2025
Google
Fast shipping, excellent communication, and awesome products
JL
John Luna Nov 23, 2025
Google
Great team, and help to support my jeep and provide best stuffs
RD
Reagan D'mello Dec 23, 2025
Google
Love the product. Excellent customer support 👍🏽 …
TD
Tim Davis Sep 24, 2025
Google
Customer service is amazing, responds fast and know what they are talking about. Their product looks top of the line.
CM
Craig MacIver May 27, 2025
Google
Got the CAMP version of adjustable control arms and track bars for our 03 TJ with a 3” lift and 33x10.5 KO 2’s. Super beefy bars, great fit and adjustability. Friendly advice and support from Korby at CORE 4X4. Good follow up as well. The ride quality is great as well as the handling. I think it all looks pretty good as well.
Review photo 1 Review photo 2 Review photo 3 Review photo 4
VK
Victor Keele Sep 24, 2025
Google
Great customer service. I got my front upper and lower control arms and hardware on Friday afternoon. It didn’t come with instructions so I called Core 4X4 and they immediately e mailed me the instructions. Also, the kit I got had the spacers missing so I called. It was late Friday by thus time but they took care of the issue first thing Monday morning and I got the spacers on Tuesday. Great company.
Review photo 1 Review photo 2
MG
Morgan Griffith Mar 25, 2018
Google
I met a couple of the Core 4x4 guys at the Salt Lake Offroad Expo and decided to try them out after noticing one of my control arm bushings was disintegrated. I called to discuss parts on Thursday and I was leaving for a trip on Saturday. These guys built my control arms and had them ready to be picked up Friday, 24 hours later. The parts seem to be great quality and they charged me nothing extra to have them painted. These guys were extremely helpful and without them my trip probably would have been cancelled. looking forward to testing out the arms on my next trip to Moab.
JM
Jay Miller Jul 26, 2025
Google
I purchased a upper and lower set of control arms from core 4x4 they came early then expected and seem to be very nice quality I ran into a complication installing them and emailed them my question I was expecting to get the response maybe the next day because it was after hours I got a response in about a few minutes which allowed me to finish the project that day I super appreciate that, the products are good strong lifetime warranty and their customer service is top notch
JF
jacob fezza Mar 24, 2022
Google
I wanted to take a moment and give these guys a shout out, I’ve currently got, for my xj, their adjustable control arms, tier 4 adjustable track bar and adjustable leaf spring shackles. You can always count on a fair price, high quality products, and quick delivery. Keep up the great work guys, will definitely continue to shop with you
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.

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.
Hardware No Hardware, Complete Kit
Vehicle Jeep Wrangler JL / JLU (18–Present)
Brand CORE 4X4
Series Cruise Series
Note to Core4x4: -
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