2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Flex Plates

The flexplate in your 2017-2019 GM 6.6L Duramax L5P can only handle so much additional horsepower and torque before it eventually lets you down. When you start adding performance modifications to your engine and your truck hits those big power levels, it's likely overdue for an upgrade. Our entire selection of Dual Disc Clutches and aftermarket Flexplates can handle much more power over stock, letting you push your GM Sierra/Silverado 2500/3500 to it's limit in terms of performance. GM Duramax Fitments: 2017, 2018, 2019 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.