These are the new and improved / updated stand pipes and dummy plugs.
The stand pipes have the integrated check valve.
If you don't have the new version stand pipes and dummy plugs, it may not be long until you start experiencing high pressure oil system problems.
Replace the stand pipes and dummy plugs on your 6.0 before they go bad and leave you stranded!
(2) 6E7Z-9A332-A - STAND PIPE
(2) -W302908 - DUMMY PLUG
Fitment: 2004.5-2007 Ford 6.0L Powerstroke Diesel