Polaris Death Grip Ball Joint Pack (KRZPRBJ-PACK)Description Ball joints are one of the most important components in your steering and suspension. A good set can significantly improve handling, durability, and longevity, which is crucial for off road or performance applications. These Death Grip Ball Joints retain the sizing of your factory joints, eliminate any binding, and are more than capable of handling extra stress and extreme articulation over any terrain. Part Number: KRZPRBJ PACK Features