BD Diesel Performance is unique among its peers in that it designs, manufactures and distributes a wide range of products specifically engineered for performance diesel applications. Today, Valley Fuel Injection and BD Diesel Performance are one, with specialty divisions that focus on diesel power train components: Fuel Injection Calibration, Exhaust Brake Manufacturing, Electronic Circuit Design and Assembly, Transmission and Torque Converter Design and Remanufacturing, Turbocharger Design, and Installation.