MHP Street Performance cylinder head.
  • All new Cryo-Treated cast valve guides
  • All factory seats cut out or removed
  • All new oversize Cryo-Treated seats installed, cut, ground and polished to each new valve
  • Each valve bowl enlarged for the new seat and valve installation
  • Cylinder head resurfaced for proper head gasket requirements
  • All new oversize valves installed with corrected valve recession and with high temp viton valve stem seals.