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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
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Description
Jeep Wrangler JK/Grand Cherokee WJ HD Non-Knurled Adjustable Ball Joint Kit (SYN4127)Description Our Synergy Jeep JK JKU Adjustable Ball Joint Kit has endured over 5 years of development and over 500,000 test miles! This is the last set of ball joints you will ever have to buy with a Limited Lifetime Warranty. Tighten up your steering for good with our patent pending (# 16 020894) design which is fully adjustable, serviceable, and rebuildable without having to press the ball joints back out of the axle end forging yokes (C's). These
Description
Our Synergy Jeep JK / JKU Adjustable Ball Joint Kit has endured over 5 years of development and over 500,000 test miles! This is the last set of ball joints you will ever have to buy with a Limited Lifetime Warranty. Tighten up your steering for good with our patent-pending (# 16/020894) design which is fully adjustable, serviceable, and rebuildable without having to press the ball joints back out of the axle end forging yokes (C's). These ball joints never have to come back out.
Features
- Fully adjustable and rebuildable lowers are designed to last the life of the vehicle, without ever having to press them out of the inner-c
- On and off road tested for more than 5 years and 500,000 miles providing time tested components you can trust
- Best in class price to performance ratio
- Compatible with all aftermarket axle shafts (including RCV's) with no modifications needed
- Fully greaseable metal on metal ball Joint bearing surface has considerably larger area than stock due to elimination of the inner nylon liner for a longer lasting joint
- Heavy duty, heat treated stud prevents unwanted movement and premature failure
- Improves road manners and corrects sloppy steering
- Patent Pending Lower Ball Joints are adjustable and rebuildable so they always have the correct amount of preload
- Knurled and non-knurled ball joint housing options to fit any vehicle
- CNC machined lower ball joint surfaces from 4140 steel, heat treated, induction hardened, and ferritic nitrocarburized for extreme wear resistance
- Heavy duty, extra large 4140 steel stud for maximum strength and reliability
- Low profile dust boots are made from thick nitrobutile rubber (NBR) protect the joint from contaminants and eliminate any chance of tearing
- Limited Lifetime Warranty
- Zerk fittings included for trouble-free maintenance
Includes
- (2) Upper Ball Joints
- (2) Lower Adjustable Ball Joints
- (1) Ball Joint Hardware Kit for all joints
- (1) Ball Joint Adjuster Wrench to set pre-load
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
never give up
Product was as advertised even though item was over a year old, I was taken care of.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 12, 2026
★★★★★ 5
Great job by Asurion!
Asurion handled my claim quickly and efficiently. My return was picked up by UPS and an Amazon gift card for the full amount was received as promised. Very happy with the process.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
★★★★★ 1
Make sure you read the terms and conditions and don't let them off the hook
Asurion is counting on the fact that you don't know how to read. They made the claim process aggravating and as difficult as possible. I CAN read and had to review the terms and conditions with them on the phone and threaten to involve an attorney before they would honor the coverage. They tried to say my product was not portable, when the word "portable" is literally in the name of the product. Then they tried to say the the accidental drop was not covered, but it clearly states in the terms and conditions that an accidental drop and a cracked screen is a covered event. I buy the coverage almost every time I am offered it, but I will be rethinking that going forward and Amazon should consider finding a different company to issue the protection plans for their products because I fear this is the beginning of a lot of complaints. I have filed a claim in the past and it was very straightforward and easy, but they must have a new company managing the plans now, because it was anything but easy. If I was an older person who was not tech savy, or who just took someone's word at face value, I would be out the cost of my item and the protection plan. BUYER BEWARE
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Reviewed in the United States on August 20, 2025
★★★★★ 5
Refunded money quickly
Good service
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Love it.
Style: Ink
I love my epson workforce printer. I used to be a Canon person but once I got this printer. It changed my mind. So the ink is worth it. Especially in the bundle package. It may be a bit on the pricey side but it last me awhile. At least, in my opinion, it’s less expensive than buying them separately. Epson makes great stuff and glad I chose to stick with them. The ink is very good and looks great after it prints. Thanks to Epson for functionality, cost and efficiency when it comes you your products.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2025
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