We suggest buying this turbine only for big v8 engines, and super high boost aplications. Please reinforce your manifold mounting and use manifold and turbo bracing using this product! * Ductile Iron QT450-10- Temperature resistance up to 700℃ * K418 Alloy- High oxidation resistance& stability (resistance up to 900℃) * Cast Aluminium Blades-Great Air Tightness & Corrosion Resistance * Horse Power Boost up to 700BHP Exhaust Inlet (Turbo Manifold) Flange: T4 Flange Exhaust Outlet (Downpipe) Flange: 3.5 "V-Band Flange Compressor Trim: 49.6 Compressor Inducer Diameter: 69 mm Compressor Exducer Diameter: 98 mm Compressor Air Inlet Size: 107mm Compressor Air outlet Size: 86.3mm Compressor A/R: 0.66 T4 TWIN-SCROLL A/R .66 Turbine Trim: 77.6 Turbine Inducer Diameter: 88 mm Turbine Exducer Diameter: 77.5 mm Bearing Type: Wet Float Cooling Type: Oil Cooled