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 – 9029-220 Standard / 9029-201 .5″ / 9029-238 1″ Fits upper and lower taper of Pinto spindle, common Mod, Sport Mods
