2009-2024 Ram 1500 Tubular Upper Control Arm Delta Joint Kit (ICO218550DJ)These ICON tubular upper control arms feature ICONs patented Delta Joint, a heavy duty high angle ball joint that combines the durability of a traditional ball joint with the performance characteristics of a uniball. While uniballs allow excellent articulation, they are exposed to the elements and can be less ideal for daily driven vehicles. The Delta Joint addresses this by using a zinc plated housing for corrosion resistance and a sealed, greaseable