Swap out your worn-out shocks with our selection of high performing 5-6" Rear Shocks! Overtime your existing shocks wear down which leads to a bouncy ride, vibrations and excessive body roll. Our selection of shocks is built tough using precision design and built to last and deliver excellent dampening performance. Whether your towing, hauling a heavy load, off-roading or just want the best performance, our rear shocks deliver enhanced control and stability to your lifted rear end. Pair your new set of rear shocks with our selection of 5-6" Front Shocks. GMDuramax 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.