2011-2016 Silverado & Sierra 2500 & 3500 Duramax LML Flex Plates

Your big Duramax LML Silverado or Sierra can throw down a whole of extra horsepower and torque with relatively few modifications, but the factory flex plate can only take so much strain before it starts to have issues. Tier One's selection of billet flex plates for 2011-2016 Silverado & Sierra 2500 & 3500 Duramax LML trucks can hold enormous levels of power, allowing you to add extremely aggressive tuning, bigger turbos, oversized injectors, exhaust upgrades, and practically anything else you have in mind for your Duramax LML build without needing to worry about your flex plate cracking, warping, or even complete shattering under the load. Many of our flex plates are even SFI-approved for competition use so that you can put together an all-out Duramax LML racing build to dominate your competition at the track. Make sure you also check out our 2011-2016 Duramax LML Torque Converters or our 2011-2016 Duramax Complete Transmissions!