The BorgWarner 171701 S400SX4 S471 Turbocharger features twin hydrodynamic journal bearings along with an extended tip technology compressor wheel. Specifications:Â Comp. Wheel O.D: 3.94 Comp. Wheel Inducer Dia: 2.80 Comp. Wheel Inducer Dia.(mm): 71 Turbine Wheel O.D: 3.77 Turbine wheel O.D. (mm): 96 Turbine Wheel Exducer: 3.47 Turbine Wheel Exducer (mm): 88 Turbine A/R: 1.32 Note: This universal turbocharger is not vehicle specific. It can be used in many applications and may require extensive modifications, fabrication and additional components for proper installation and use.