These upper control arms feature ICON's patented Delta Joint. The Delta Joint is a heavy duty high angle ball joint that combines the durability of a ball joint with the performance characteristics of a traditional uniball. While the industry standard uniball does a great job of allowing the control arms of a vehicle to articulate with little bind, they do have an inherent weakness that leaves more to be desired when used in a daily driven application - exposure to the elements. The Delta Joint features a zinc plated housing providing the first layer of corrosion resistance, while a tough grease seal keeps potentially harmful elements out of the inner workings of the joint. Metal on metal construction and a greasable design increase the longevity of the Delta Joint while at the same time allowing for noise-free operation. What makes the Delta Joint unique is that it brings the best of both worlds to ICON upper control arms with features that make it more robust than a uniball, and at t
Vehicle Fitment
2001-2004 Chevrolet Silverado 2500
2001-2004 GMC Sierra 2500
2001-2006 Chevrolet Silverado 3500
2001-2006 GMC Sierra 3500
2001-2010 Chevrolet Silverado 2500 HD
2001-2010 GMC Sierra 2500 HD
2007-2010 Chevrolet Silverado 3500 HD
2007-2010 GMC Sierra 3500 HD
Please verify exact fitment for your trim and engine before ordering.
Manufacturer Part Number: 78550DJ
Images are for illustrative purposes only. Actual product may vary.
⚠ WARNING (California Proposition 65): This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.
