This Zone Off-Road C37 / C38 inch lift kit for the GMC Sierra 2500HD and 3500HD is an affordable and effective kit to allow from larger diameter tires. Using the Zone Adventure Series boxed steel upper control arm design along with traditional torsion keys to gain 3 inches of front lift. A front differential drop is also included to keep CV angles within the factory operating range. 

A Rear 2" block kit lifts the rear to sit a very slight tail high stance in at the back end.

Top Features and Benefits

• Heavy Duty Boxed Steel Upper Control Arms
• Factory style ball joints and rubber bushings for control arms
• Improved ride quality and suspension travel over standard "leveling kits"
• Front differential drop included to correct CV shaft angles
• Nets a slightly tail high stance with included 2" rear blocks
• Clear 35x12.50 tires on 18x9 & 20x9 wheels (6" backspacing required)
• Available for both overload and non-overload equipped trucks
• UCAs utilize a replaceable ball joint that can be found at most local auto parts stores if ever needed
• Limited Lifetime Warranty