Turbine housing made of cast iron - temperature resistant up to 700°C. OEM quality and dimensions, pushed and extruded for professional installation? Steel turbine impeller made of K418 alloy with high oxidation stability and temperature resistance up to 900°C. Extensive turbine manufacturing experience and own factories. Manufactured to strict quality control standards 100% factory tested. Durable: Water/oil cooled construction extends the life of the turbine. 100% balancing test: the turbocharger you receive has been balanced using VSR machine technology. Bearing Type: Journal Bearing/Floating Bearing. Gasket or Seal Included: Yes.