Features & Benefits: High Quality: High Quality Machined from Brass or Steel with excellent mechanical and physical properties, these tool kit show their high tightness, corrosion resistance and durability Oil Rail Adapters: Both brass adapters use standard 1/4" NPT air hose connection, which allow observation of the High Pressure Oil System's Injector Control Pressure (ICP) by direct gauge connection, and facilitate testing of the High Pressure Oil System for leaks using shop air IPR Valve Air Test Fitting : This tool has 1/4 inch pipe threads to accept standard air fittings; It takes the place of the IPR valve meaning that the system can be completely sealed so that even the smallest leaks can be detected .
