Replace your worn-out shocks with our high-performance 5-6" rear shocks! Over time, factory shocks can wear down, resulting in a bouncy ride, vibrations, and excessive body roll. Our selection of shocks is built tough with precision engineering, ensuring durability and excellent damping performance. Whether you're towing, hauling heavy loads, off-roading, or simply seeking superior performance, our rear shocks provide enhanced control and stability for your lifted rear end. Pair your new set of rear shocks with our selection of 5-6" Front Shocks.GM Duramax Fitments: 2004, 2005 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.