Zone Off-Road 2011-2018 Chevy 2500HD Adventure Series UCA Kit

These arms are built from high strength steel, boxed, gusseted and fully welded for strength and rigidity. At the frame mount they use OE style rubber bushings for a long service free life and quiet operation. At the other end these arms feature an indexed ball joint cup designed for use with leveling and lifted applications. High strength ball joints are used with a protective ball joint cap to keep debris out. These upper control arms come fully assembled and ready to bolt in right out of the box. Improved strength with fully welded plate steel construction CNC machined ball joint cup with improved positioning ideal for use with leveling/lift kits High quality greaseable ball joints with a protective cap to keep out dirt/debris OE style rubber bushings for durability and maintenance-free operation Fully assembled and ready to install