June 19, 2014 by Carter @ Zone Offroad 0 Chevrolet/GMC PR, Chevy/GMC, Press Releases2001-2010 Chevy/GMC 2500HD/3500HD Upper Control Arm Kit | NPA #77 New A-arms for 01-10 Chevy 2500HD/3500HD trucks dwarf the stock units designed to take a beating out on the trails. 2500 2500HD 3500 3500HD a-arms aarms Chevy Control Arms GMC HD UCA Upper Control Arms Posts navigation Previous 1 2 6/6