QA1 1210-106 Ultimate Screw-In Lower Ball Joint K727 Style

The QA1 1210-106 Ultimate Ball Joint is a high-performance screw-in style lower ball joint designed for racing applications including circle track, late models, and street performance builds. This patented, self-lubricating design is 100% owner rebuildable and is exclusive to QA1, making it a cost-effective long-term solution for demanding motorsports use.

Key Features:

• Infinite preload adjustment allows breakaway torque to be set as low as 0 ft. lbs. for completely smooth, bind-free operation
• 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
• No need to remove the ball joint from the car for adjustment - features on-the-car adjustability
• 1.500 in/ft Taper - 4.143 in Stud - 5/8-18 in Thread - Steel construction
• Greasable design enhanced by self-lubricating components for smooth operation
• Multiple stud lengths are also available, allowing for easy geometry changes

Applications: Lower, large screw-in ball joint that fits nearly all strut cars. Commonly used in 1960-66 Imperial, NASCAR applications, and large taper late models. Interchange: Moog K727 MP1003 Afco 20036LF Howe 22412.

Rebuildable Design: QA1 ball joints are owner rebuildable, and all parts are replaceable at economical prices. Replacement studs are available separately (9029-224 Standard / 9029-217 +0.5").