Dual Ball Bearing GT40R Turbo assembly. T4 style inlet flange with 3" V-BAND exit. Now available in T3 Undivided Entry with option to modify to V-band Entry. Please choose Turbine Housing Style and A/R.Large style compressor housing with 4.00" inlet and 2.50"outlet. Hi-HP 6 Cyl applications good up 700HP+ with great top end power.