PSR 8894G Dual Ball Bearing Turbocharger HP Rating 1900 Dual ceramic ball bearing system provides optimal turbo response & better durability by reducing the shaft-motion 13 Blade PTG-Aero billet compressor wheel 88mm inducer and 120mm exducer produces up to 1900 hp 9 Blade PTG-Aero Inconel 713c turbine wheel with more turbine flow Fin-cooled aluminum center housing, lighter weight Anti-surge ported-shroud compressor inlet, cover integrated with the speed sensor port Installation Hardware: 4” flange kit for Comp. Outlet, T6 Gasket/3.5” flange kit for Turb. Inlet, 5” flange kit for Turb. Outlet and oil Drain Fitting kit are included by default Oil Feed Fitting(-4AN ∅ 1.65mm (0.065″) Orifice) included Compressor Housing: W/O Compressor Housing Turbine Housing: W/O Turbine Housing Compressor Wheel: 88.5*120*127.93mm, 13 Blade Turbine Wheel: 99*94mm Compressor Inlet: 6” Hose Compressor Outlet: 4” V-band Compressor Housing A/R: 0.88 Turbine Inlet: 3.5” V-Band (DV Housings) or T6 Open Turbine Outlet: 5” V-Band Turbine Housing A/R: 1.08/1.23 Oil Feed: See graph below(OIL INLET), an oil feed flange included: -4AN ∅ 1.65mm (0.065″) Orifice Oil Drain: See graph below(OIL OUTLET)