600-1000hp: Turbocharger Steel cast Single Scroll turbine house and integrated wastegate, Titanium-Aluminum Turbine Wheel, Ceramic ball bearings and water cooled bearing house. Turbo boost control valve with hoses included as well as compressor by-pass. Compressor wheel diameter: 91mm turbine wheel diameter: 80mm. A/R=0,83 Turbine inlet flange: T3