XDP offers the Cognito 110-91071 Ball Joint SM Series Upper Control Arm Kit for your stock or lifted 2011-2019 GM Silverado/Sierra 2500HD/3500HD 2WD/4WD. These control arms fit as a stock replacement or for leveled and lifted applications where an upgrade is desired to provide better performance and function. The Cognito Ball Joint SM Series Upper Control Arms add performance to your truck by improving the allowable droop travel for better ride quality.

The Cognito Ball Joint SM Series Upper Control features boxed sheet metal arms that are CNC robot welded and powder-coated semi-gloss black. Featuring corrected ball joint angle for lifted and leveled applications, these control arms improve the allowable droop travel with the design of these arms. Ample droop travel is required for good ride quality and all suspension components to provide a long service life and work properly. 

FEATURES: 

• Added Caster
• Polyurethane Bushings
• Corrected Ball Joint Angle
• Powder-Coated Semi-Gloss Black
• Cognito Ball Joint SM Series Upper Control Arm Kit

ENGINE:

• 6.6L L5P Duramax
• 6.6L LML Duramax