Tuff Country EZ-Ride suspension's 3.5? lift kits for the 2500HD/3500HD are an affordable lift solution that will allow up to 35 inch tires (w/minor trimming). The replacement torsion bars reindex the factory torsion bars while the new upper control arms keep the front end in proper geometry. 1? inch blocks and extended u-bolts raise the rear end. Also includes front shock relocation brackets, new shocks not required.
This Part Fits:
        
       This Part Fits:
| Year | Make | Model | Submodel | 
|---|---|---|---|
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base | 
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS | 
| 2001-2010 | Chevrolet | Silverado 2500 HD | LT | 
| 2007-2010 | Chevrolet | Silverado 2500 HD | LTZ | 
| 2003-2010 | Chevrolet | Silverado 2500 HD | WT | 
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | 
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | 
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | 
| 2002-2005 | GMC | Sierra 2500 HD | Base | 
| 2001-2002,2006 | GMC | Sierra 2500 HD | SL | 
| 2001-2010 | GMC | Sierra 2500 HD | SLE | 
| 2001-2010 | GMC | Sierra 2500 HD | SLT | 
| 2003-2010 | GMC | Sierra 2500 HD | WT | 
| 2007 | GMC | Sierra 2500 HD Classic | SL | 
| 2007 | GMC | Sierra 2500 HD Classic | SLE | 
| 2007 | GMC | Sierra 2500 HD Classic | SLT | 
| 2007 | GMC | Sierra 2500 HD Classic | WT |