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Adjustable Ball Joints - Adjustable Upper Ball Joints
Adjustable upper ball joints are designed to adjust upper control arm angles to fine tune handling and performance on the race track.

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Items 1-13 of 13
Description: Ball Joint, Greasable, Upper, Screw-In, Low Friction, 1.83 in Body at Threads, Each
Item #: AFC20034LF
Condition: New
Limited Supply: Only 0 Left!
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Price: $55.99
Sale: $54.99
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Description: Ball Joint, Adjustable, Driver Side, Upper, Bolt-In, Various Fabricated Arms / Spindles, Each
Item #: ALL56260
Condition: New
Limited Supply: Only 1 Left!
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Price: $126.99
Sale: $124.99
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Description: Ball Joint, Adjustable, Driver Side, Upper, Bolt-In, GM A-Body / B-Body / F-Body, Each
Item #: ALL56264
Condition: New
Limited Supply: Only 4 Left!
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Price: $126.99
Sale: $124.99
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Description: Ball Joint, Adjustable, Passenger Side, Upper, Bolt-In, Various Fabricated Arms / Spindles, Each
Item #: ALL56261
Condition: New
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Price: $126.99
Sale: $124.99
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Description: Ball Joint, Adjustable, Passenger Side, Upper, Bolt-In, GM A-Body / B-Body / F-Body, Each
Item #: ALL56265
Condition: New
Limited Supply: Only 2 Left!
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Price: $126.99
Sale: $124.99
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Description: Ball Joint, Adjustable, Upper, Screw-In, 1.83 in Body at Threads, Each
Item #: ALL56267
Condition: New
Limited Supply: Only 9 Left!
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Price: $126.99
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Description: Ball Joint, Greasable, Upper, Screw-In, 1.500 in/ft Taper, 3.340 in Stud, 1/2-20 in Thread, Aluminum Cap, Black Anodized, Each
Item #: HOW22320
Condition: New
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Price: $94.99
Sale: $93.97
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Description: Ball Joint, Greasable, Upper, Bolt-In, 2.040 in/ft Taper, 3.360 in Stud, 1/2-20 in Thread, Aluminum Cap, Black Anodized, Each
Item #: HOW22302
Condition: New
Limited Supply: Only 6 Left!
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Price: $111.99
Sale: $109.97
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Description: Ball Joint, Greasable, Upper, Bolt-In, 1.500 in/ft Taper, 3.340 in Stud, 1/2-20 in Thread, Aluminum Cap, Black Anodized, Each
Item #: HOW22300
Condition: New
Limited Supply: Only 1 Left!
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Price: $125.99
Sale: $123.97
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Description: Ball Joint, Greasable, Upper, Bolt-In, 2.040 in/ft Taper, 3.630 in Stud, 1/2-20 in Thread, Aluminum Cap, Black Anodized, Each
Item #: HOW22301
Condition: New
Limited Supply: Only 5 Left!
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Price: $125.80
Sale: $114.95
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Description: Ball Joint, Greasable, Upper, Screw-In, 1.500 in/ft Taper, 3.340 in Stud, 1/2-20 in Thread, Steel Cap, Black Oxide, Each
Item #: HOW22320S
Condition: New
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Price: $97.99
Sale: $96.97
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Description: Ball Joint, Adjustable, Upper, Screw-In, 1.83 in Body at Thread, Each
Item #: JOE14800
Condition: New
Limited Supply: Only 1 Left!
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Price: $106.99
Sale: $104.95
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Description: Ball Joint, Greasable, Bolt-in, Front, Upper, Adjustable, GM A-Body / F-Body / X-Body 1964-1974, Each
Item #: QA11210-113
Condition: New
Limited Supply: Only 1 Left!
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Price: $87.32
Sale: $84.95
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Items 1-13 of 13


More About Adjustable Upper Ball Joints

An adjustable ball joint uses shims to change the A-Arm angle for quick Front Roll Center adjustments right at the track. A-Arm height an angle adjustments can be made just at the ball joint or in conjunction with inner pivot slug adjustments.

To further illustrate the point, I think that Front Roll Center is a design parameter that involves plenty of engineering and thought. I also think that if you have a basic understanding of Roll Center geometry that you can short cut the thought process at the track and simply focus on the LF and RF Instant Centers. At the track you can easily visualize the effect on the RF instant center if you raise the RF a-arm inner pivot ½. At this point in time you car is already engineered and you can just make the adjustment. By focusing on the Instant Centers you can readily make repeatable adjustments without having to worry about a bunch of imaginary lines. You can understand Instant Centers and their location quickly and easily. The reality is that Front Roll Center is simply a derivative of the Instant Center locations. Instant Centers are simple even through dynamic roll. Why complicate your trackside thought process with imaginary lines? Save the heavy thinking for the engineering room. At the track - just give it a try!

By understanding the Front Roll Center parameters and the imaginary points you can simplify the process and easily document which slug you are using to adjust your a-arms up and down. Focusing on Instant Centers makes it possible at the track. With this simplified thought process you can add another weapon to your adjustment arsenal and make adjustments that gets you ahead of your competition.

Tech Tips Courtesy of Joes Racing Products