QA1 · New
QA1 GM Large (K5208) +1.000in Stud Upper Bolt-In Style Ball Joint
MPN 1210-285B · Store SKU qap1210-285B
Supplier stock checked 11/7/2026, 9:32:22 PM UTC. Adding a part does not reserve it.
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Product details
QA1's 4-Bolt Style Ultimate Ball Joint is ideal for a variety of racing applications. Exclusive to QA1, this patented, self-lubricating design is 100% owner rebuildable. Multiple stud lengths are also available, allowing for easy geometry changes. Infinite preload adjustment allows breakaway torque to be set as low as 0 ft. lbs. for a 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. Enhanced by self-lubricating components to ensure smooth operation. Fine tune your roll center. QA1 ball joints are owner rebuildable, and all parts are replaceable at economical prices. Ultimate ball joint. Adjustable 4-bolt mounting. Stud has 1" extended length. For use in upper location on large GM applications. Ball Joint, Adjustable 4-Bolt, Upper GM Large (K5208), +1.000"
Manufacturer fitment & guides
Check 1210-285B against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y