BD Diesel Performance Transmissions are engineered for heavy-duty towing, racing, and extreme off-road applications. Designed with upgraded clutch packs, torque converters, valve bodies, and high-strength internals, these transmissions are built to handle the high torque output of modified diesel engines. Whether you drive a Cummins, Duramax, or Power Stroke, BD Diesel offers complete transmission packages and rebuild kits for superior durability and long-lasting performance. Ideal for Dodge Ram, Ford Super Duty, and GM HD trucks, these transmissions are dyno-tested and track-proven.