Belltech designed the ND2 OEM shock line to provide the Truck and SUV market with a unique blend of shock tuning. This new setup concentrates on the Comfort level while also increasing the overall performance of the complete suspension system. Designed with the daily driver Truck and SUV customer in mind, Belltech Engineers increased the low speed compression and massaged the rebound forces of the shock valving providing a factory style ride comfort while providing better road feel and grip.This Part Fits: Year Make Model Submodel 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS 2001-2006 Chevrolet Silverado 3500 LT 2004,2006 Chevrolet Silverado 3500 WT 2007 Chevrolet Silverado 3500 Classic LS 2007 Chevrolet Silverado 3500 Classic LT 2007 Chevrolet Silverado 3500 Classic WT 2007-2010 Chevrolet Silverado 3500 HD LT 2007-2010 Chevrolet Silverado 3500 HD LTZ 2007-2010 Chevrolet Silverado 3500 HD WT 2000-2001 Chevrolet Suburban 2500 Base 2000-2009 Chevrolet Suburban 2500 LS 2000-2009 Chevrolet Suburban 2500 LT 2007 Chevrolet Suburban 2500 LTZ 2002-2005 GMC Sierra 3500 Base 2001-2002,2006 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE 2001-2006 GMC Sierra 3500 SLT 2004-2006 GMC Sierra 3500 WT 2007-2010 GMC Sierra 3500 HD SLE 2007-2010 GMC Sierra 3500 HD SLT 2007-2010 GMC Sierra 3500 HD WT 2000-2009 GMC Yukon XL 2500 SLE 2000-2009 GMC Yukon XL 2500 SLT