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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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279.25 279.25 USD 293.95

293.95

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

COLOR 11 colors — pick yours
https://jerdev.core4x4.com/web/image/product.template/2084/image_1920?unique=8d2fc88
SKU: CRL-J-TJLJ-FU2
Fits: 1997 - 2006 Jeep Wrangler TJ Add vehicle

279.25 279.25 USD 293.95

293.95

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.
  • Series
    Cruise: daily driving and light off-road. Camp: overlanding. Crawl: aggressive rock crawling.
  • 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.
  • Adjustment Type
  • 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

Why Builders Choose CORE 4X4

Warranty facts, not marketing language.

vs. MetalCloak

Their “lifetime” language refers to their service model. Actual parts warranty: 1 year. Ours: lifetime.

vs. Teraflex

Skip a maintenance interval? Their warranty voids. Ours doesn’t.

vs. Clayton Off Road

Clayton warrants their Johnny Joints for 90 days. We cover ours for life.

Peak Performance On and Off-Road

Enhance your Jeep Wrangler TJ LJ (1997-2006) with our Crawl Series Front Upper Control Arms. Delivering exceptional off-road flexibility and maintaining smooth on-road manners, these control arms provide a crucial upgrade for Jeep enthusiasts seeking superior handling and performance in any terrain.

What’s Included:

  • Crawl Series Front Upper Control Arms (CRL-J-TJLJ-FU2)

Key Features and Benefits:

  • Exceptional Off-Road Flexibility – Equipped with Johnny Joints from Rock Jock 4x4 at the adjusting end, these control arms deliver unmatched articulation for conquering rough trails and rocky terrains.
  • Robust Construction for Maximum Durability – Made from 1.5" OD DOM Tubing with a 5/16” wall thickness, these control arms are engineered to withstand the harshest conditions while ensuring long-lasting performance.
  • Precise Suspension Adjustability – Designed to accommodate lifts from 0 to 6 inches, these control arms allow you to fine-tune your alignment, re-center the axle, and achieve optimal suspension geometry for improved handling.
  • Recommended Pairing for Complete Front-End Performance – Pair these upper control arms with Crawl Series Front Lower Control Arms to fully dial in your alignment and maximize axle control for a balanced and high-performing front end.

Engineered for Durability and Performance

Our Front Upper Control Arms stand out with their innovative design and top-quality construction. The U-bracket at the axle end integrates seamlessly with factory bushings, while the Johnny Joint at the adjusting end enhances articulation and flexibility. This combination ensures a smoother ride, improved control, and longer-lasting durability under all driving conditions.

Two-Stage Powder Coating for Enhanced Protection

Every Crawl Series Front Upper Control Arm is treated with a two-stage powder coating process for superior corrosion resistance and durability. A zinc primer base coat forms a solid foundation to combat rust, while the top coat, available in 10 color options, provides an extra layer of protection and customization for your vehicle.

Proudly Made in the USA

Manufactured at our facility in Orem, UT, the Crawl Series Front Upper Control Arms represent the highest standards of American craftsmanship. By choosing this product, you’re supporting local manufacturing and receiving a product built with precision and care.

Optional Hardware Upgrade

Our control arms are designed for straightforward installation using factory hardware, minimizing downtime and effort. For rusted or stubborn bolts, optional new Grade 8 hardware kits are available separately to ensure a seamless and secure installation.

In Conclusion

The Crawl Series Front Upper Control Arms are the ultimate upgrade for Jeep Wrangler TJ LJ owners seeking superior off-road flexibility, on-road comfort, and enhanced durability. Engineered for exceptional performance, these control arms ensure precise alignment and articulation to tackle any terrain. Upgrade your vehicle today with this American-made solution and take your driving experience to the next level!


Make Model Submodel Years
Jeep Wrangler 1997 - 2006
Jeep Wrangler 2004 - 2006

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

Vehicle Jeep Wrangler TJ (97–06) or Jeep Wrangler LJ (04–06)
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.
Series Crawl Series
Lift Size 0" — 6" or 6"+
Hardware No Hardware or Complete Kit
Adjustment Type Single Threaded or Double Threaded

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%
ZA
Zen Asher Mar 23, 2025
Google
The quality and durability of the arms are the best. They are super heavy duty. And lifetime warranty is crazy
MM
MIKE (Mike the Mechanic) Jul 26, 2025
Google
Amazing company and customer service!!!! I messed up on my order and the fixed it immediately. Would definitely recommend them. Can't wait to hit the trails with their product.
EL
Eric Labrum May 27, 2025
Google
Best customer service I have ever experienced. They are my go to source do to quality and service
TG
Travis Grimm Mar 23, 2024
Google
To start off if you're looking to upgrade your control arms definitely hit this company up. Great product, easy install of the product, with three different tiers everything is priced pretty good, I'm a sticker guy and they sent a sticker for each arm each track bar and also three extra ones so the extra are on the Jeep the advertise them for sure. If you're reading this review I highly recommend you to check their website out.
JL
John Luna Nov 23, 2025
Google
Great team, and help to support my jeep and provide best stuffs
BA
bryan angell Jun 26, 2025
Google
First off amazing products. I got a set of adjustable control arms for my XJ and it is so nice to be able to dial in caster and pinion angles. A quick call and I was able to purchase an adjustable track.
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!
MD
Mark DiGrappa Apr 27, 2025
Google
First off: Korby, the gentleman that helped me decide on which kit to go with is EASILY the nicest, and most patient person I’ve dealt with, when ordering parts for this build. Second: the quality of the product is INSANE! These parts are so nicely fabricated, then powder coated for extra longevity, and they even offer an aluminum upgrade in some cases (which I went with, to save weight). Having said all of this, the most impressive thing was the lead time. These parts are build to order, and I literally ordered my suspension one week ago, today! Yes, they built, powder coated, packaged, shipped my suspension components (RAM 1500 Track rear trailing arm full set in 7075 aluminum, and front upper control arms), AND they arrived, all within a week! Granted, that I’m only one state away, but WOW!!! One week?! Amazing! So, in sort: excellent products, which arrived excellently packaged (no damage, an boxes not over-stuffed with heavy suspension parts; three boxes total, as opposed to one super heavy one…my back thanks you), super quickly, and customer service that ANY business would be envious of….so, if you’re in the market, absolutely go with Core 4X4!
TW
Travis Walker Sep 24, 2025
Google
I have nothing but great things to say about this company and their customer service. If you like American made products backed by warranty and amazing customer support, this is the company for you. I have a Lexus GX470 and love their rear control arms.
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.

Specifications

Vehicle Jeep Wrangler TJ (97–06), Jeep Wrangler LJ (04–06)
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
Adjustment Type Single Threaded, Double Threaded
Brand CORE 4X4
Series Crawl Series
Note to Core4x4: -
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