PSR2860 GEN2 Dual Ball Bearing Turbocharger Dual Ceramic Ball Bearing System 8 Blade Gen 2 Billet Compressor Wheel with Extended Tapered Tip Technology Inconel 713c 9-blade Turbine Wheel Gen 2 Cover Integrated with the Speed Sensor Port 0.64, 0.86A/R T25 Inlet, 5 Bolt Outlet, 0.64 A/R dual V-BAND stainless steel, 0.82 A/R dual V-BAND stainless steel, etc. turbine housings in option V-Band Flange kit(s) for the exhaust housing included Max Air Flow rate: ~40 lb/min, rated @ 475 FWHP Compressor Housing: Standard Turbine Housing: T25 .86 5 Bolt Actuator: PSR Billet 15psi Compressor Wheel: 45.64/60.07/62mm Turbine Wheel: 54/47mm Compressor Inlet: 3″ Hose Compressor Outlet: 2″ Hose Turbine Inlet: T25 or 2.5″ V-Band Turbine Outlet: 5 Bolt or 3″ V-Band (3.55″ OD) Oil Feed: -4 AN connect to the Oil Restrictor Oil Drain: Std T3 Flange Water In/Outlet: M14*1.5 We highly recommended running water cooling for better durability.