【Function】-- Perfectly work on 6.0L powerstroke diesel high pressure oil system. 【6.0 IPR Valve Air Test Fitting Tool】-- Equipped with 1/4" pipe threads to accept standard air fittings.Simply remove the IPR valve and you can completely seal the high pressure oil system to find all of the leaks. 【Oil Rail Adapters】-- Essential for connecting to the oil rail to test for leaks.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. 【Material】-- Adpater made of brass; 6.0 IPR Valve air test tool made of high strength steel and zinc plated for rust prevention. 【Package】-- 2Pcs Oil Rail Adapters + 1Pcs 6.0 IPR Valve Air Test Fitting Tool Perfect Fitment: Work for 6.0L Powerstroke Diesel high pressure oil system. Features: Oil Rail Adapters Leak Test Kit The two adapters give you the capability to address either platform for pressure testing (changed in 2004) Both adapters use standard 1/4" NPT air hose connection and come with Viton o-rings pre-installed. Oil Pump IPR Valve Air Test Fitting Tool Allows systems with the latest updated standpipes to be tested. Fitment E-Series 2004-2010 E-350 ---- 6.0L V8 Diesel Turbocharged 2004-2010 E-450 ---- 6.0L V8 Diesel Turbocharged Excursion 2003-2010 Excursion ---- 6.0L V8 Diesel Turbocharged F-Series 2003-2010 F-250 Super Duty ---- 6.0L V8 Diesel Turbocharged 2003-2010 F-350 Super Duty ---- 6.0L V8 Diesel Turbocharged 2003-2010 F-450 Super Duty ---- 6.0L V8 Diesel Turbocharged 2003-2010 F-550 Super Duty ---- 6.0L V8 Diesel Turbocharged Package Includes: 2 x Oil Rail Adapters 1 x IPR Air Test Fitting Tool