Feature Fitment:Perfectly works on a Ford 6.0L diesel engine. High Quality: High Quality CNC Machined from Brass for years of trouble-free use. Advantages: Both 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. Using: Connect this Pair of High Pressure Oil Rail Adapters to the oil rail to test for leaks. .
