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CORE 4X4 SKU: CRS-J-WK-RS4-MRK

Master Rebuild kit for CRS-J-WK-RS4

Master Rebuild kit for CRS-J-WK-RS4
$105.60 $120.00 Save $14

CAMP from $127 · CRAWL $148

$ 105.60 105.6 USD $ 120.00

$ 120.00

Not Available For Sale
Save $ 14.40

Checking shipping cost… Check shipping
Enter ZIP for arrival estimate Delivery date by ZIP
Order by 3:00 PM MT today — we'll start tomorrow
See full timeline
100% bolt-on, no welding Made in USA · Orem, Utah
Talk to an Expert: 385-375-2104
1
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CORE 4X4

Master Rebuild kit for CRS-J-WK-RS4

Master Rebuild kit for CRS-J-WK-RS4
Will this fit your rig?

$ 105.60 105.6 USD $ 120.00

$ 120.00

Not Available For Sale
Save $ 14.40

Select Color to see price and add to cart.

100% bolt-on, no welding Made in USA · Orem, Utah
Talk to an Expert: 385-375-2104
Checking shipping cost… Check shipping
Enter ZIP for arrival estimate Delivery date by ZIP
Order by 3:00 PM MT today — we'll start tomorrow
See full timeline

Lifetime warranty on all non-wear items United States

Made in USA Orem, Utah
You break it, we replace it Warranty on non-wear items
10 Colors In-house powder coat
Fully Adjustable 0-6" of lift
3 X-Series Options Only Core 4x4

Product Details

Make Model Submodel Years
Jeep Grand Cherokee 2005–2010

Flex PolyurethaneJoints
1.875" OD lowers / 1.625" OD uppersTubing
3/16" steel tubeWall
Periodic greasingMaintenance

Construction & Materials

Jeep Grand Cherokee WK 05-10 4pc Cruise Series Rear Adjustable Control Arm Kit

Rear Lower Control Arms Built With 1.875” OD 3/16” Wall steel tube. 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 steel tube. Polyurethane Bushings on the fixed and adjustable ends with 1” x 14 TPI - 3.25” long threads.

Everything you need to refresh your suspension.

This rebuild kit includes all the essential components needed to replace common wear items and restore performance.

BSH-CB-2892 × 4

BSH-CB-2891 × 2

BSH-CB-2314 × 2

Google

Store reviews on Google

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5.0
★ ★ ★ ★ ★
132 reviews
5 ★
97%
4 ★
2%
3 ★
0%
2 ★
1%
1 ★
0%
JG
James Griffin Jul 26, 2025
★ ★ ★ ★ ★ Google
Customer service is top notch. They answered all of my questions and got me my tracking number for my packages. I just received both of them and the quality is next level. You guys are truly awesome.
Review photo 1
MH
Matthew Handy Sep 24, 2025
★ ★ ★ ★ ★ Google
Ran into an issue with a part that I ordered. Got ahold of them explained to them the issue I was having and they jumped in and got the issue fixed. Hands down the best customer service I have ever dealt with. The parts are hands down amazing. Highly recommend.
N
Nick Sep 24, 2025
★ ★ ★ ★ ★ Google
I have a 2016 RAM 1500 Crew Cab and I replaced the rear upper and lower control arms also the pan hard track bar and also the sway bar and links for the rear with all I had the articulating bushings. The vehicle now has no body role. They are absolutely incredible if you get the control arms you gotta get the CORE 4 x 4sway bar end links don’t don’t try and be cheap and get Moog or something else you got to get articulating bushings get the core 4 x 4 ones they are the best. My truck drives now through the canyons like a BMW. I have Fox high-performance shocks on there as well with all the CORE 4 x 4 suspension parts and they are amazing. Well worth the money I would highly recommend anybody thinking about CORE 4 x 4 go with CORE 4X4 and if you can go with their articulating bushings, they’re unbelievable drives better now than my Escalades. Well planted no body role and smooth on the Highway unbelievable the difference they all made!! THANKS AGAIN CORE 4x4!!!!
EG
Erica Grissom May 27, 2025
★ ★ ★ ★ ★ Google
First off, I wish I knew about them sooner. The customer service is top tier. The response time is about 30 min no waiting 1-3 days to get a response. The parts are heavy-duty and look amazing. The packaging is perfect, I can't wait to hit some trails. Thanks Core4x4
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
SC
Singer Heating and Cooling Mar 25, 2018
★ ★ ★ ★ ★ Google
These guys are great. You can get them on the phone for support. This important and is not always the case with other custom parts builders. Their control arms are bomb proof and offer plenty of options. You can get real genuine Currie Johnny joints without paying the price for Currie arms.
AL
Aaron Lake Apr 27, 2025
★ ★ ★ ★ ★ Google
Korby was a great help with getting me a set of leaf springs for my Cherokee. Great customer service and an awesome product all made in the USA. Proud to support and rock their parts on my vehicle. 👍 …
NP
Norb Pranger Oct 24, 2025
★ ★ ★ ★ ★ Google
Not sure where to start, Products or Service or Warranty. Products: I found Core4x4 through a very respected YouTuber in the Jeeping community. I purchased an entire set of Core4x4 Control Arms three years ago and have beat the daylights out of them and they are still in great condition. Now, I purchased another Jeep, this time for my daughter and bought yet another set of Control Arms because I know that these things can take a beating and stand up to it. I plan on replacing more parts on this TJ and my JL and will continue to buy from Core4x4. Service: This isn't some huge name conglomerate that treats you like you're just another customer. They are quick with responses and will always make things right should something be a problem. Oh and the quickness in which they ship their products is unmatched. I bought these CAs for my TJ on Thursday, I received them on Monday. Most other manufacturers will tell you weeks, they had them to me in 2 shipping days. Warranty: Seriously, a lifetime warranty? Yes please. Nothing more to say. I can't say enough about how great of a company this is. I've even spoken to the owner through email a few years back on some questions that I had. Support small American built businesses. P.S. Core 4x4, feel free to make me an ambassador and send me some swag :) .
TH
Todd Hume Jan 22, 2026
★ ★ ★ ★ ★ Google
Their products are great but the service is even better!! Thanks Korby.
E(
Eric Hernandez (savagefit) May 27, 2025
★ ★ ★ ★ ★ Google
The whole process was quick and painless. The products are top tier and when I reached out them for package update info, Korby Linscomb was very responsive, and got me the answers I needed the same day. Even when I emailed back to some additional info, he sent what I was looking for that same day. I love core 4x4 and will be giving them my business from now on.
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Made in Orem, UT · You break it, we replace it.
385-375-2104