IPR O-ring New Cylinder Head 2008-2010 F250, F350, F450, F550 Powerstroke 6.4 International Maxxforce 7
IPR O-ring heads provide added insurance when combined with ARP head studs. The stainless steel o-rings protrude above the cylinder head and provide a better seal against the head gasket creating an extra bite or seal.
IPR 12month / 12K Mileage Warranty
No core deposit required, new head