76/65 Billet T-Series Turbocharger, Inlet Flange: T4, Outlet Flange: 3 in. V-Band, A/R Ratio: 0.81, Compressor Wheel Inducer: 76 mm, Turbine Wheel Exducer: 65 mm, Oil Cooled, External Wastegate, Natural Finish|VS Racing VSRTB7665BLT 76/65 Billet T-Series Turbocharger, T4 Inlet Flange, 0.81 A/R Ratio [External Wastegate].