Tuff Country u bolts are designed specifically for vehicles with suspension lift kits. These zinc plated, corrosion resistant kits include 4 ubolts along with nuts and washers.
Fitment
2001 Chevrolet Silverado 3500 Base
2001 Chevrolet Silverado 3500 LS
2001 Chevrolet Silverado 3500 LT
2001 GMC Sierra 3500 SL
2001 GMC Sierra 3500 SLE
2001 GMC Sierra 3500 SLT
2002 Chevrolet Silverado 3500 Base
2002 Chevrolet Silverado 3500 LS
2002 Chevrolet Silverado 3500 LT
2002 GMC Sierra 3500 Base
2002 GMC Sierra 3500 SL
2002 GMC Sierra 3500 SLE
2002 GMC Sierra 3500 SLT
2003 Chevrolet Silverado 3500 Base
2003 Chevrolet Silverado 3500 LS
2003 Chevrolet Silverado 3500 LT
2003 GMC Sierra 3500 Base
2003 GMC Sierra 3500 SLE
2003 GMC Sierra 3500 SLT
2004 Chevrolet Silverado 3500 Base
2004 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2004 GMC Sierra 3500 Base
2004 GMC Sierra 3500 SLE
2004 GMC Sierra 3500 SLT
2004 GMC Sierra 3500 WT
2005 Chevrolet Silverado 3500 Base
2005 Chevrolet Silverado 3500 LS
2005 Chevrolet Silverado 3500 LT
2005 GMC Sierra 3500 Base
2005 GMC Sierra 3500 SLE
2005 GMC Sierra 3500 SLT
2005 GMC Sierra 3500 WT
2006 Chevrolet Silverado 3500 LS
2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2006 GMC Sierra 3500 SL
2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SLT
2006 GMC Sierra 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007 Chevrolet Silverado 3500 HD LT
2007 Chevrolet Silverado 3500 HD LTZ
2007 Chevrolet Silverado 3500 HD WT
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007 GMC Sierra 3500 Classic WT
2007 GMC Sierra 3500 HD SLE
2007 GMC Sierra 3500 HD SLT
2007 GMC Sierra 3500 HD WT
2008 Chevrolet Silverado 3500 HD LT
2008 Chevrolet Silverado 3500 HD LTZ
2008 Chevrolet Silverado 3500 HD WT
2008 GMC Sierra 3500 HD SLE
2008 GMC Sierra 3500 HD SLT
2008 GMC Sierra 3500 HD WT
2009 Chevrolet Silverado 3500 HD LT
2009 Chevrolet Silverado 3500 HD LTZ
2009 Chevrolet Silverado 3500 HD WT
2009 GMC Sierra 3500 HD SLE
2009 GMC Sierra 3500 HD SLT
2009 GMC Sierra 3500 HD WT
2010 Chevrolet Silverado 3500 HD LT
2010 Chevrolet Silverado 3500 HD LTZ
2010 Chevrolet Silverado 3500 HD WT
2010 GMC Sierra 3500 HD SLE
2010 GMC Sierra 3500 HD SLT
2010 GMC Sierra 3500 HD WT