Upgrade your GM 2500HD/3500HD's worn-out rear shocks with our selection of high-performance 0-2" rear shocks! Your existing shocks wear down, which results in a bouncy, harsh ride filled with vibrations and excessive body roll. Purpose built for durability and precision; our rear shocks are built to last while providing excellent dampening performance. Whether you're towing, hauling a heavy load, or simply seeking optimal performance, you'll be glad you upgraded to a set of our 0-2" rear shocks. Experience enhanced control and stability for your truck’s rear end. Pair your new set of rear shocks with our selection of0-2" Front Shocks.GM Duramax Fitments: 2001, 2002, 2003, 2004 GM 6.6L Duramax.Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali.Some exceptions apply, please see individual product pages for specific fitments.