IAG FA Cylinder Head Threaded Plug Set (8).

The OEM FA20DIT heads have pressed-in freeze plugs. Unfortunately, these plugs are located behind the timing cover, so you would never know if they popped out. We have developed a kit to replace the OEM plug with threaded inserts instead.Kit Includes: (x8) Freeze Plugs,Freeze plug modification service is required to be done to the heads for installation.