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Master Rebuild kit for CMP-J-WJ-K8
SKU: CMP-J-WJ-K8-MRK ★★★★★ (132 reviews)
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284.00 284.0 USD 284.00

284.00

Not Available For Sale

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Fitment guarantee Ships from Orem, UT 4–8 hr install
https://core4x4.com/web/image/product.template/27298/image_1920?unique=2d5d26f

Master Rebuild kit for CMP-J-WJ-K8

Master Rebuild kit for CMP-J-WJ-K8
SKU: CMP-J-WJ-K8-MRK
Pick your vehicle to confirm fit

284.00 284.0 USD 284.00

284.00

Not Available For Sale

Compare all tiers →

Select Color to see price and add to cart.

Lifetime warranty on all non-wear items United States

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

Everything you need to refresh your suspension.

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

CE-9110RK × 7

CE-9112NRK × 3
This listing includes all 3 required units.

BSH-CB-2892 × 4

BSH-CB-7087 × 1

Make Model Submodel Years
Jeep Grand Cherokee 1999 - 2004

Construction & Materials

Jeep Grand Cherokee WJ 99-04 8pc Camp Series Adjustable Control Arm Kit

Front Lower control arm built with 1.75” OD 5/16” Wall DOM. A Polyurethane Bushing on the fixed end and a Forged Johnny Joints on the adjustable end with 1.25” x 12 TPI - 2.625” long threads.

Front Upper control arm built with 1.5” OD 5/16” Wall DOM. Welded u-bracket on the welded end and a Forged Johnny Joints on the adjustable end with 1” x 14” TPI - 2.32” long threads.

Rear Lower control arm built with 1.75” OD 5/16” Wall DOM. A Polyurethane Bushing on the fixed end and a Forged Johnny Joints on the adjustable end with 1.25” x 12 TPI - 2.625” long threads.

Rear Upper A-arm built with 1.5” OD .25” Wall DOM. Welded Johnny Joints on the frame attachment points and a Forged Johnny Joints on the adjustable end with 1.25” x 12 TPI - 2.625” long threads.

Front Track Bar built with 1.5” OD 5/16” Wall DOM. Polyurethane Bushing on the fixed end and a Forged Johnny Joints on the adjustable end with 1” x 14 TPI - 2.32” long threads.

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Reviews of Core 4x4

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5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
MB
Melody Baker Jan 22, 2026
Google
I ordered a part for my 03 Jeep TJ and all I can say is wow! Korby at Core 4x4 is a total rockstar!! There was a glitch with my payment and within minutes, Korby reached out to me to get it fixed, then sent my receipt with the tracking number. I lost the number and reached out to him during the Holidays and got a rapid response with the number again. I can’t say enough about the customer service and the quality of parts. Thank you!!
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
P
Paul Mar 24, 2023
Google
I've been having trouble with the track bar (on my 2nd gen Dodge) since I installed the 3rd gen Synergy adapter bracket and a 3rd gen stock bar.. oddly, they call it a '3rd gen bracket' and the stock 3rd gen bar doesn't quite fit, making contact with the bracket. I had attempted to clearance the bracket but it was still making contact and I could feel it over large bumps. I reached out to a lot of companies, but Core 4x4 offered to make a custom bar for the application with adjustability and dual Johnny joints. The first pass on it didn't work but they sent me out another passenger side end that made it fit incredibly well. This was all done solely over email/descriptions/pictures/measurements. Bar is super high quality and heavy duty, made in the US by a family owned company and carries a lifetime warranty. The customer service was responsive and superb, and the price was a lot less than I expected.
J
Justin Mar 24, 2021
Google
Small business, family owned, made in the USA, lifetime warranty. Purchased Tier 3 control arms and rear track bar for a 2006 Jeep LJ. Simple website and easy to contact over phone and email. I had some technical questions and they were happy to answer them. They allow local pickup and were built to order same week. The order was wrapped and ready when I walked in and even gave a tour of the shop. They abrasive blast all raw materials to achieve a better surface profile for powdercoat to adhere and create a smooth, durable finish. I also noticed several CNC machines and a robotic welder they use for all their parts. A small outfit with a robotic welder? Their concern for quality is obvious and it shows in the parts they make. Very impressed. Happy to do business with these guys.
Review photo 1
SH
Shawn Hooten Apr 27, 2025
Google
Great products, shipped the next day during a big sale event. Core 4x4 gets it right and gets it done! Thank you all.
D
Danny Oct 24, 2025
Google
Outstanding customer service to match the high quality parts. This is the go-to company.
TH
Todd Hume Jan 22, 2026
Google
Their products are great but the service is even better!! Thanks Korby.
CD
Christopher Dami Jun 26, 2025
Google
2022 I ordered a 2023 Jeep Wrangler Rubicon in High Velocity yellow. Without any hesitation I knew I was going with Core 4x4’s 16pc Camp series suspension, powder coated in yellow. Compliments were a given from any and everyone that looked under my jeep. So beefy, I may have left some yellow paint on the rocks from Maine to Florida, but no bends or breaks. Customer service has been perfect each and every time I have needed something. Their warranty is top notch! Their communication is also wonderful. Might upgrade to the Crawl Series control arms where the Johnny joints are on both sides. Great all around company and a great team to troubleshoot your issue and come to a conclusion. Nothing bad to say about this company. Just love this suspension.
Review photo 1 Review photo 2 Review photo 3
AH
Abbey Hiett Mar 25, 2019
Google
Company finally made things right
JM
Jason Mitchell Dec 8, 2025
Google
Installed the full kit on my XJ. Ride quality is night and day better than what I had before. The articulation on the trail is insane. These guys know what they are doing. Already recommended Core 4x4 to everyone in my club.
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