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TeraFlex Heavy Duty Adjustable Ball Joints

Category:  Product Highlights

TeraFlex Heavy-Duty Adjustable Ball Joints

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When TeraFlex developed our lifetime-guaranteed Heavy-Duty Adjustable Ball Joints for the JK/JKU (as well as a version for the TJ/LJ, XJ, and WJ style axles) that didn’t mean we would stop there. Develop a great idea, then improve on it. That’s pretty much how we roll at TeraFlex. Let’s take a look at some of our ball joint improvements.

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Probably the most noticeable improvement is the Easy-Access Grease Ports that even the boys at Jiffy Lube will be able to see, access, and even lube. That’s huge… We still use our anticorrosion magnesium phosphate coating and offer the joint in both a knurled, like we see here and standard fit applications. Remember we only want to use a knurled joint in the event of a loose ball joint fit.

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The way the JK/JKU ball joint mounts, all of the weight on the front of the Jeep is carried by the lower ball joint. By moving the adjustment collar to the bottom, it frees up the adjusting collar and the joint is now adjustable with the Jeep sitting on the ground. We also increased the clearance on the top of the Ball Joint so that even later model JK/JKU models can use this new design without modifications. The U-joints and axle flanges clear easily.

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If adjustability is good, infinite adjustability is awesome. Loosen 3 set screws and use the provided spanner wrench to adjust the Joints as needed. It’s quick and clean.

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Internally we added a larger hard alloy tool steel wear plate to provide even better wear resistance and to allow for increased grease flow. You probably noticed the lack of a grease boot: a lip seal is used to prevent any contamination from coming in, and yet still allows for the old grease to be pushed out and replaced with fresh lubrication.

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The upper joints still use the extremely wear resistant sintered metal bushings. They will easily control the extra weight and loads we throw at our Jeeps. Now Don’t panic when the stud freely moves in and out; it’s designed that way. Its job is to control lateral movement; vertical is controlled by the lower ball joint.

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TeraFlex’s Heavy-Duty Adjustable Ball Joint Replacement Kit is yet another example of TeraFlex working for you to your life and bring you continued joy and happiness… I think you’ll agree, nothing can really do that like a set of lifetime-guaranteed adjustable ball joints.

FEATURES & BENEFITS: 

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  • Fits 2007-2018 JK/JKU – direct fit with no modifications.
  • Other applications available. 
  • Rebuildable?? No way – too much hassle; simply adjust.
  • Solid tool steel wear plate.
  • Helical grease groove in the stud/ball for better grease and wear.
  • Lip seal boot replacement.
  • Easy-access grease fittings.
  • Vehicle weight carried by the ball joint is transferred into the housing, freeing up the adjustment ring for on the ground adjustment.
  • Knurled and standard fit available.
  • Heat treated 4140 chrome moly ball stud.
  • 4140 stud Magnesium phosphate coating sintered metal bushings

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APPLICATIONS:

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JK 2-DOOR & JKU 4-DOOR 

BALL JOINT KIT

JK/JKU HD Dana 30/44 Upper & Lower Ball Joint Kit w/out Knurl - Set of 4

JK/JKU HD Dana 30/44 Upper & Lower Ball Joint Kit w/ Knurl - Set of 4

JK/JKU HD Dana 30/44 Upper & Lower Ball Joint Kit w/out Knurl - Pair

JK/JKU HD Dana 30/44 Upper & Lower Ball Joint Kit w/ Knurl - Pair

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TJ  & LJ UNLIMITED 

BALL JOINT KIT

TJ/LJ Dana 30/44 Upper & Lower HD Ball Joints - w/out Knurl - Set of 4

TJ/LJ Dana 30/44 Upper & Lower HD Ball Joints w/ Knurl - Set of 4

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UNIVERSAL

BALL JOINT ADJUSTING TOOL

Premium Ball Joint Adjusting Tool Kit

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– Dennis Wood; edited by Jason Udy 

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