Super ATV Uniball stud & bearingSuperATV spared no detail in the creation of these arms and tip to tip you will see strength, style, and features that are unmatched in the market. We know ball joints can be a weak link. To ensure a bullet proof design, AtlasPro arms are paired with a 4130 chromoly uniball. Match top of the line materials with a stud that is 140% larger than OEM, and you've got a set of arms that are Built for Battle. Important to note that the SuperATV uniball studs