4in Half Marmon (HX40) Flange; Open T4 mount; Cast from High Silicone Ductile Iron; Precision CNC machined; BW S300 SXE turbine housings will need to be machined to fit4in Half Marmon (HX40) Flange; Open T4 mount; Cast from High Silicone Ductile Iron; Precision CNC machined; BW S300 SXE turbine housings will need to be machined to fit; Our goal is to be an innovative company and a world class manufacturer that distributes products Worldwide for North American Diesel vehicles.; Our goal is to be an innovative company and a world class manufacturer that distributes products Worldwide for North American Diesel vehicles.