HKS GT4845 Sports Turbine KitHKS Sports Turbine Kit series utilize actuators which enable inexpensive turbine replacement. Select a turbo according to the vehicle specifications and purpose of use from "GT III Turbine" a new generation of turbo combining the latest design CHRA with HKS original housings designed from the long term know how HKS has accumulated over many years and "GTII Turbine" an HKS original turbo developed, designed, and manufactured within HKS facilities.