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SKU: R-TRX-2021-AL-RL2 ★★★★★ (132 reviews)
LIFETIME WARRANTY
FITS YOUR EXACT VEHICLE
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SHIPS IN 1–3 DAYS
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MADE IN UTAH, USA
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1,049.95 1049.95 USD 1,049.95

1,049.95

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🔧 Built to order · Ships in 1–3 business days

COLOR 12 colors — pick yours
https://jerdev.core4x4.com/web/image/product.template/1412/image_1920?unique=0d20961

Ram TRX 21-24 2pc Rear Lower Adjustable Control Arms

SKU: R-TRX-2021-AL-RL2
Fits: 2021 - 2024 Ram TRX Add vehicle

1,049.95 1049.95 USD 1,049.95

1,049.95

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.
  • Note to Core4x4:

Select Color to see price and add to cart.

WHAT’S INCLUDED
4
Upper Control Arms
4
Lower Control Arms
2
Front Track Bars
2
Rear Track Bars
4
End Links

4–8 hr install Moderate 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
Ships in 3 Days From our UT facility
Fully Adjustable 0-6" of lift
3 X-Series Options Only Core 4x4

Heavy-Duty Performance for Maximum Strength and Versatility

Upgrade your 2021-Present RAM TRX with CORE 4X4 7075 Aluminum Rear Lower Control Arms (R-TRX-2021-AL-RL2)—the pinnacle of strength, adjustability, and durability for high-performance trucks. Built to withstand the extreme power and suspension demands of the TRX, these control arms provide exceptional handling, unmatched articulation, and extreme resilience, making them the ultimate upgrade for towing, hauling, and aggressive off-road driving. These lower control arms are engineered to handle the uncompromising power and size of the RAM TRX, ensuring a stronger, smoother, and more controlled ride in any terrain.

Key Features and Benefits

  • Heavy-Duty 7075 Aluminum Construction – Crafted from massive 2.5" OD 7075 aluminum, offering unmatched strength, longevity, and weight savings.
  • Rock Jock 3.0" Johnny Joints for Maximum Flex – Equipped with 1.5" threaded, greaseable, and fully rebuildable joints for superior articulation and smooth operation.
  • On-Vehicle Adjustability for Precision Tuning – Machined with wrench flats for effortless axle positioning and pinion angle correction without removal.
  • Optimized for High-Horsepower, High-Speed Off-Roading – Designed to handle extreme torque loads, heavy towing, and aggressive off-road terrain while maintaining precise alignment and control.

Recommended Pairing

For complete axle control, pair with Adjustable Rear Upper Control Arms (R-TRX-2021-AL-RU2) to achieve full suspension adjustability and optimal drivability.

Superior Construction for Unrivaled Durability

Our 7075 aluminum rear lower control arms are built to withstand high-speed desert running, extreme articulation, and heavy payloads without sacrificing ride quality. Featuring Rock Jock’s massive 3.0" Johnny Joints, these control arms provide:

Maximum articulation for smoother off-road suspension cycling.

Increased flexibility for maintaining precise wheel alignment under load.

Ultimate strength for improved control, tracking, and shock absorption.

Whether you're soaking up high-speed whoops, towing heavy trailers, or crawling through rugged terrain, these control arms ensure superior performance in every scenario.

Two-Stage Powder Coating for Maximum Durability

To ensure exceptional corrosion resistance and long-lasting reliability, all aluminum components undergo a two-stage powder coating process:

Zinc primer base coat for superior rust protection.

Top coat available in 10 colors to match your truck’s aesthetics and ensure maximum durability.

Proudly Made in the USA

Manufactured in Orem, UT, our CORE 4X4 7075 Aluminum Rear Lower Control Arms are built using high-quality, American-sourced materials under strict quality control standards. Supporting American manufacturing means investing in superior craftsmanship and unmatched reliability.

In Conclusion

The CORE 4X4 7075 Aluminum Rear Lower Control Arms are a premium suspension upgrade designed for RAM TRX owners who demand superior performance, maximum durability, and complete adjustability. By replacing weak factory components with 7075 aluminum control arms, you ensure greater stability, improved alignment, and long-term reliability for high-horsepower, high-speed off-road use. Upgrade today and experience the CORE 4X4 difference—because your RAM TRX deserves the best.


Make Model Submodel Years
Ram TRX 2021 - 2024

Vehicle Ram TRX (21–24)
Brand CORE 4X4
Color Black or Blue or Charcoal or Green or LightGreen or Orange or Purple or Red or White or Yellow or Raw Aluminum or Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed.

Select your lift size in Step 1 — the kit ships with the correct geometry for that height. If you’re running a non-standard setup, call us before ordering and we’ll confirm compatibility.

Death wobble is a geometry problem, not just worn parts. Cruise Series corrects caster angle and eliminates the flex points that let shimmy start. Replacing one part at a time delays the fix — this replaces the geometry.

Yes, if you’ve done a lift kit before. Full-day project. Watch the complete JT install walkthrough on our YouTube channel — most owners wrap it in a day. Any off-road shop can run it if you’d rather have it done.

Any non-wear component fails — we replace it. No mileage cap. No maintenance intervals to track. No fine print about voiding if you miss a service. Lifetime means lifetime.

Teraflex’s lifetime warranty voids if you miss a maintenance interval. MetalCloak’s actual parts warranty is 12 months — their “lifetime” language refers to their service program. No conditions here.

See It Installed

Install videos and build guides on our YouTube channel.

Watch more installs on YouTube
Google

Reviews from Google

See all on Google
5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
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!!!
JO
Jaime Overmyer Nov 23, 2025
Google
Korby was extremely helpful in helping me find the right part for my truck. He was kind, knowledgeable, and patient while I asked a million questions. He also went out of his way to find the right shipping option for me since it’s tricky where I live. I’m looking forward to getting the parts so I can fix my truck and go adventuring again soon!
MH
mark hinz Mar 2, 2026
Google
Went above and beyond to get the parts we needed to complete our customers build for Moab Easter safari cant thank you enough for all your hard work and efforts Thank you and look forward to working with you in the near future
JS
Jeffrey Shafer Jan 22, 2026
Google
Exceptional customer service. All my questions were asked in a timely manner and parts were replaced when an error occured. I encourage people to make purchases due to their exceptional quality products, but also because of their customer service. Will make additional purchases in the future.
Z
Zion Sep 24, 2025
Google
Every product I have received from them has been nothing short of fantastic. Korby in Customer service went above and beyond to help me fix my own mistake. I cannot reccomend them enough.
C
caleb Mar 24, 2022
Google
Absolutely a great company. Ordered rear lower control arms with hardware but when i got it the hardware wasn't there but they sent it out right away and got a free t-shirt! Highly recommend.
N
niceguyr1 Mar 24, 2023
Google
I purchased upper and lower adjustable arms for my WJ and lowers were missing the spacers. I didn't know until 3 months later when I was installing them. With absolutely zero hassles they quickly sent me the missing spacers. Fantastic product and service! Huge thank you guys for the awesome service and parts!!! Customer service is quickly becoming a lost commodity and you guys gave me hope that it's still alive and well, you just have to buy from the right people... Thanks again for going above and beyond! 👍👍
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
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!
JJ
Jason Jukich Jul 26, 2025
Google
Fast shipping, excellent communication, and awesome products

Specifications

Color Black, Blue, Charcoal, Green, LightGreen, Orange, Purple, Red, White, Yellow, Raw Aluminum, Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed.
Vehicle Ram TRX (21–24)
Brand CORE 4X4
Note to Core4x4: -
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