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Johnny Joint Kit
Johnny Joint Kit, TJ/LJ/XJ/MJ Front End Housing, 2WD Beam Only, Greasable 7/16 in. Thru Bolts, Reqs. Welding
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255.00 255.0 USD 255.00

255.00

Not Available For Sale

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Fitment guarantee Ships from Orem, UT 4–8 hr install
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Johnny Joint Kit, TJ/LJ/XJ/MJ Front End Housing, 2WD Beam Only, Greasable 7/16 in. Thru Bolts, Reqs. Welding

Johnny Joint Kit, TJ/LJ/XJ/MJ Front End Housing, 2WD Beam Only, Greasable 7/16 in. Thru Bolts, Reqs. Welding
SKU: CE-9102K2
Pick your vehicle to confirm fit

255.00 255.0 USD 255.00

255.00

Not Available For Sale

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Lifetime warranty 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

RockJock's Front 2WD Beam Axle Housing Johnny Joint Kit for TJ Wrangler, LJ Unlimited, XJ Cherokee, MJ Comanche and ZJ Grand Cherokee vehicles replaces the front upper control arm bushings Johnny Joint rod ends to get maximum articulation out of your suspension! This kit includes 2 of our 1 in. thick flame-cut steel uprights for the tube side, with the Johnny Joint already installed. This kit has you cut off the top of the stock upper control arm brackets that are on the beam axle and install the new RockJock pieces into the existing bracket bases. You then weld the RockJock pieces to the existing bracket bases. This allows for no welding to be done on the tube, resulting in no warpage of the tube. This kit requires cutting and welding equipment for installation! NOTE: this kit is for use on any factory 2WD beam only!

Make Model Submodel Years
Jeep Cherokee 1984 - 2001
Jeep Comanche 1986 - 1992
Jeep Wrangler 1997 - 2006
Jeep Wrangler 2004 - 2006

Brand RockJock
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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%
RH
Roger Hooks Jun 26, 2025
Google
2018 Ram 2500 Rear Control Arms and Rear track Bar been running for about a year, Great Solid Products and great one on one customer service, same day response with issue resolved! Thanks Korby!
MV
Mr. V Mar 24, 2021
Google
Good quality parts, much stronger than stock
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.
KK
Kevin Kinard Oct 24, 2025
Google
Great product, excellent customer service. I mistakingly ordered a track bar for the wrong year model and Korby helped me out by sending me the correct part that I needed no questions asked. I highly recommend.
CL
Cade Leith Mar 23, 2024
Google
Have full upper/lower CA set on both front and rear axles on a 96 ZJ. These are the rubber bushing sets not joint sets. I have beat the hell out it in the Nevada desert for 2 years and has been great. I don’t go fast but I do articulate suspension a lot. Super solid and haven’t any issues. Just inspected the entire set recently due to some banging under it. Turns out the banging is lower rear shock bushings. Inspected each CA along the way nothing. Aside from dirt and obviously winter roads and what not still in excellent condition, bushings are solid like the day they were installed. I’ll add that I’m about tapped on a short arm at 4.25(less with settle) so the front CA’s get beat on just from that, still they’re like new. Paint is great condition, this set is red. I would definitely buy again. Another plus for me, Utah isn’t local necessarily, but it’s nice to support businesses closer to me.
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
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
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.
CT
Canon TeSelle Jun 26, 2025
Google
Great Experience. I wanted to make changes to my order and Korby was more than willing to work with me to get everything corrected. Hope to deal with these guys again in the future.
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.

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Brand RockJock
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