The Cognito 110-90258 Shock Extender Kit for your 2011-2016 GM 2500HD/3500HD 2WD/4WD is designed for use with some stock and Cognito Upper Control Arms. See specific lift kit or control arms for application.

Specific Applications Include:

• Leveling kit using stock shocks and stock upper control arms.
• Leveling kit using Cognito UCA kit with Cognito shocks.
• Cognito lift kit used with Cognito UCA kit and Cognito shocks

• Shock Extender Kit
• Works With Cognito Shocks & UCA Kit