2007.5-2010 Silverado & Sierra 2500 & 3500 Duramax LMM Valve Bodies

When you start stacking the power mods onto your Duramax LMM build, you can start to see weird shifting, trouble codes, and slipping as your truck's stock valve body struggles to handle the strain. Tier One's valve bodies for 2007.5-2010 Silverado & Sierra 2500 & 3500 Duramax LMM trucks feature a bunch of reliability and power-holding improvements so that your mighty Duramax truck can throw down more horsepower and torque than stock. Tier One's Duramax LMM valve bodies generate higher line pressures to improve shifting, torque converter lockup, and lubrication to all critical components. Each of these valve bodies is perfect for everything from heavy towing to drag racing. If your transmission clutches are already burnt out from low pressure or valve body failure, a new valve body won't bring them back, and you may be better suited getting a fresh start with one of our 2007.5-2010 Duramax LMM Complete Transmissions. A high-pressure valve body provides the holding power you need, but you need a converter that can handle that lock-up force, so pair your valve body with one of our 2007.5-2010 Duramax LMM Torque Converters. Electronics hate heat, so protect your new valve body and solenoids by keeping fluid temperatures down with our 2007.5-2010 Duramax LMM Transmission Coolers. When installing a new valve body, it's the perfect time to upgrade your fluid capacity or replace internal filters, so you can find deep pans and other essential components in our 2007.5-2010 Duramax LMM Transmission Parts.