7.3L Fire Ring Head Gasket Set

This kit will eliminate head gasket problems at higher boost levels. The 8 solid steel fire rings are to seal the combustion chamber and two gaskets that offer the same sealing characteristics (oil and water) as stock head gaskets. Accurate machining is extremely important and a hot re-torque is essential. Includes: 2 Head Gaskets 8 solid steel fire rings  16 Coolant passage reducers 8 O-rings at coolant passages  *Cylinder head machine work is required before installing