Ensure that your engine can handle a larger turbo by reinforcing your cylinder head(s). Upgrading your head(s) has major benefits when adding power to your diesel. Specifically when raising boost levels, stock hardware has a difficult time keeping that boost in, and can result in stretched head bolts and blown head gaskets. Reinforcing the head with headstuds, fire-rings, or O-rings allows you to run your upgraded turbo at peak levels. PartNumber : ats1039102164 Description : Fire Ring Parts Kit 1994-1998 Dodge Ram 2500 Base L6.-cc Engine Components::Head Gaskets 1994-1998 Dodge Ram 3500 Base L6.-cc Engine Components::Head Gaskets