This Diesel Injector Flow Meter is designed for Common Rail diesel engines, allowing for the measurement of the return flow of diesel injectors. It enables simultaneous measurement of pressure in 6 injectors, helping to identify any damaged injectors. Suitable for Bosch, Delphi, Denso, and Siemens systems. Features graduated reservoir bottles with a 105ml capacity, fuel-resistant transparent hoses that are 650mm long, and graduated manometer tubes with a 95ml capacity. Includes a bottle rack hanger for the engine bay. Designed to measure the return flow of Bosch diesel injectors and Common Rail high pressure diesel injectors.