Cylinder head from a 2004 Cummins ISX 475 engine. CPL # 8519 ISX 475 engine # 70958306 Family # 4CEXH0912XAH, ref # E269HQ56GH55625A53 Date of mfg 07/2004 Includes Camshafts, Rocker Arms, Injectors and Valve Cover. This head was removed from an engine with 807,000.0 miles on it. The engine had a connecting rod bolt failure and is why it was parted out as block and crank were damaged beyond repair. Please look over the pics and data plate for details. sold as is as I have no way of testing. You can reach me at Seven-0-1 220-74two7