Garrett - G-Series 30 Turbine Housing Reverse Rotation 0.61A/R V-Band Inlet V-Band OutletG Series Turbine Housings Are Engineered To Maximize Turbine Flow And Efficiency For G Series Supercores. These Robust Housings Are Cast From Stainless Steel For High Heat Tolerance And Strength. V Band Connection To The Supercore Streamlines The Installation And Clocking Process. Key Features G30 Reverse Rotation Turbine Housing Stainless Steel Turbine Housing G30 Turbine Hsg Kit O V V Band V Band 0. 61 A R (Reverse Rotation) Hardware And Gasket Kit