Quality Universal Performance Turbo GTX3582 Billet Comp Wheel Turbine. 82 Vband T4 Inlet with Vband Flange&clamp. Turbine housing: T4 Inlet, V-Band outlet, A/R 0.82. Turbine wheel: 68mm/62.3mm. Compressor Housing: 0.7 A/R Anti-Surge, 4" Inlet, 2.5" Outlet.