Description: 7.3L Powerstroke Diesel Fuel Pressure Regulator With Upgraded Blue Spring Kit Increases Fuel Pressure up to 10% Easy Upgrade,Increased Injector Life,Increased Fuel Pressure Application for: Please refer to our fitment compatibility chart in the listing for proper fitment. Our fitment chart is not 100% up-to-date or accurate, it is only intended for reference only. Package Includes: 1× Powerstroke Fuel Pressure Regulator/Upgraded Blue Spring Kit .