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 – 9029-224 Standard / 9029-217 .5″ 1960-66 Imperial/ Strut Cars Large Taper/Late Models
