QA1's Ultimate Ball Joint is available in a Press-In Style for a variety of Mustangs. A 100% owner rebuildable design, the Ultimate Ball Joint is a QA1 exclusive. This patented, self-lubricating ball joint is offered with multiple stud lengths, providing for easy geometry changes on your vehicle. Ultimate Low Friction Operation - Get a completely smooth, bind-free operation with infinite preload adjustment that allows breakaway torque to be set as low as 0 ft. lbs. Wear Resistant Design - Precision tolerance ball-to-race conformity results in even load distribution for unsurpassed wear resistance. Precision ground 52100 bearing steel race ensures long life and ultra-smooth operation. On-the-Car Adjustability - No need to remove the ball joint from the car for adjustment. Self-Lubricating - Fully greasable enhanced by self-lubricating components to ensure smooth operation. Multiple Stud Lengths Available - Various ball studs are available for easy geometry changes. Fine tune your roll center. Owner Rebuildable - Rebuilding is simple. All parts are replaceable at economical prices.
A QA1 Ball Joint Dimensional Guide can be found here: Ball Joint Dimension File
About Qa1 Precision Products
From bolt-on products that get you behind the wheel faster, to experienced technicians available to help increase your 60’ times or handle curves with confidence, everything we do is designed to get you out on the road.
Whether your goal is a Saturday night sprint across the checkered flag or a slow, easy cruise down main street, we have the suspension and driveline products you need for the experience you want.
No matter what you drive, we want you to #goDRIVEit!

Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make |
Model |
Years |
Ford |
Mustang |
1979 - 1993 |