Description Patented exclusively by QA1 for circle track racing applications, ball joints offer ultimate, low friction operation. Completely smooth and bind-free, ball joints’ infinite preload adjustment allows breakaway torque to be set as low as 0 ft./lbs. Replacement studs may be purchased separately – 9029-228 Standard / 9029-211 .5″ 64-72 Chevelle, 70-72 Monte Carlo, 64-72 Cutlass, 64-72 LeMans, 67-69 Camaro. Very popular among IMCA Mods
