Swap out your GM 2500HD/3500HD's worn-out rear shocks with our selection of high performing 0-2" Rear Shocks! Your existing rear shocks wear down overtime which leads to a bouncy, harsh ride full of vibrations and excessive body roll. Featuring durable construction and precision design, our rear shock selection is built to last and deliver excellent dampening performance. Whether your towing, hauling a heavy load or just want the best performance, our rear shocks deliver enhanced control and stability to your rear end. Pair your new set of rear shocks with our selection of0-2" Front Shocks. GM Duramax Fitments: 2011, 2012, 2013, 2014, 2015, 2016 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.