Diesel Injector Flow Test Kit Efficient Multifunctional Heavy Duty Construction Common Rail Adaptor Fuel Tester Set black.Feature: 1. MULTIFUNCTIONAL RAIL KIT: This 6 cylinder rail kit is suitable for a range of vehicle injectors, such as, fit for Bosch, fit for Siemens, fir for Denso, and fit for Delphi injectors. 2. EFFECTIVE MEASUREMENT: The tool s purpose is to measure the fuel quantity each injector returns to the tank, so you can efficiently identify if any injectors are damaged or not wor