Genuine BorgWarner AirWerks S256SX turbocharger BorgWarner AirWerks S200SX Turbo - 76/70 BW part number 177268 aka S256SX Genuine BorgWarner AirWerks turbocharger Note: Currently, some compressor housings come without a logo! This is not a difference in quality! All components come directly from BW USA from the factory. AirWerks S256SX turbochargers from BorgWarner Turbo Systems are dedicated aftermarket turbos for the performance sector. Proven line-produced parts (mostly from Schwitzer Turbo) are being combined to deliver high end tuning and motorsports performance while maintaining an ideal price/performance ratio. performance rating: 220 - 580 HP compressor housing: intake 76mm / pressure side 51mm compressor wheel: inducer 55,80mm / exducer 76,20mm turbine housing: 1.22 AR / header flange BorgWarner T4 Twin Scroll (T4 divided) / turbine outlet BorgWarner V-Band turbine wheel: inducer 69,56mm / exducer 61,43mm / external wastegate - dual hydrodynamic journal bearing - extended tip technology - Twin Scroll turbine housing - adjustable orientation of compressor housing and turbine housing Different A/R ratio? If you order an AirWerks turbocharger and wish to have a different AR you have to order the corresponding turbine housing separately.