Feature FITMENT : Perfectly fit for 2003-2010 Ford 6.0L diesel engine HIGH QUALITY: High Quality CNC Machined from Brass with excellent mechanical and physical properties, this adapter fitting shows its high tightness, corrosion resistance and durability FEATURES: This fitting with 1/4 Inch OEM Shrader connection fits almost any fuel pressure tester APPLICATION: This proper fitting will help you easily connect a standard fuel pressure gauge to fit for 6.0L Ford Powerstroke Diesel .