Fox 2.0 Shock Front 6.0 Inch Lift Height 01-06 GM 1500HD and 2500/01-06 GM Full Size SUV (2500) Zone Offroad Engine and Components - Engine Internals - Engine The XD13027 is not designed

The XD13027 is not designed to fit the D30a differential

and 11-14 Silverado /SierraHD Gasoline trucks

5 Inch Rear Coil Spring 2 711745598584

5 inch gear w/2

Tuff Country 4 inch suspension lift kit for the Silverado/Sierra 1500 is designed to make lifting your vehicle simple and affordable

Fox 2.0 Shock Front 6.0 Inch Lift Height 01-06 GM 1500HD and 2500/01-06 GM Full Size SUV (2500) Zone Offroad Engine and Components - Engine Internals - Engine The XD13027 is not designedBuilt specifically to compliment your Zone lift kit, FOX's proven damping technology provides a comfortable on road ride and predictable off road handling in a variety of conditions. Their monotube design uses an internal floating piston (IFP) to separate the shock oil from the high pressure, nitrogen charged gas chamber, preventing oil aeration for fade free performance in rough terrain. Get more out of your truck or Jeep with FOX Adventure Series 2.