Dual Ball Bearing GT35/GT40R Turbo assembly. T3 style inlet flange with 4 bolt T31 style exit. Large 60- 1 style compressor housing with 4.00 inlet and 2.50" outlet. Hi HP 4-6 Cyl applications. This turbo has a flow capacity of about 600HP. Turbine -Wheel: 68mm w/ 84 trim -Housing: .63 ar, .82 ar, 1.06 ar -Maps Compressor -Wheel: 82mm w/ 56 trim -Housing: .70 ar -Maps This unit is usually in stock and ships withing 1-2 days.