Part Number: BDD1063234F Stage 1 Transmission Stock Pan No PressureLoc These BD Diesel Performance automatic transmissions are designed to transfer the power from high-torque modified diesel engines. These BD Diesel transmissions feature redesigned clutch packs with 50 percent more holding surface, steel 6-pin planetary gear carriers, and new lube ports added for high-load areas. Shift strategies and pressure circuits are also modified to handle the high-torque applications. These BD Diesel transmissions are not a re-built factory transmission. They are a custom build transmission. These BD Diesel transmissions are custom tailored to work with your modified truck. BD Diesel Transmission The stock transmission was designed to handle the output of the stock engine, and not much more. Increase the durability of your drivetrain with a unit that is designed to handle up to 300% more power and torque.