Tests most fuel injection systems both foreign and domestic Features (2) gauges with gauge protectors for accurate testing from 5-150 psi Includes late model GM, Chrysler, Mitsubishi and European applications Large 3-1/2" gauge with dual reading of 0-150 psi and 0-1,000 KPA Low pressure 2-1/2" gauge for an accurate reading below 15 psi All adapters, gauge and hose assemblies feature a quick coupling system for fast and efficient testing connection Uniquely designed relief valve relieves the pressure and the fuel safely Allows checking for sufficient fuel flow No need for wrenches or pipe dope Complete with instruction manual Molded storage case included