2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Flex Plates

After upgrading your truck with a new torque converter, you may find that the flex plate or flywheel on your 2004.5-2005 GM 2500HD/3500HD’s transmission is worn or no longer meeting your heavy-duty performance needs. Our selection of aftermarket flex plates is the perfect solution to address transmission issues. Precision-engineered and constructed from high-durability materials, these flex plates are designed to improve gear shifts and enhance your transmission’s overall performance. Get your new flex plate for your GM 2500HD/3500HD from Alligator Performance today! Check out our great selection of Rebuild Kits & Internal Parts to maximize your transmission's reliability and performance!  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.