2006-2007 GM 2500HD/3500HD 6.6L LBZ Duramax Crate Engines

Whether you're restoring your GM truck or are looking to add more power, we have a variety of options to choose from that can help you get the most out of your investment. With reputable brands, we offer a vast selection of reliable and powerful crate engines and rebuild kits that truly will take your truck to the next level of power and reliability. Pair your new crate engine with our selection of Transmission Upgrades! GM Duramax Fitments: 2006, 2007 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.