The BorgWarner EFR B2 turbine housing in 64mm with 0.83 A/R is a T3 single-scroll assembly supplied with a wastegate provision. Intended for EFR B2-series turbines, this housing defines exhaust flow characteristics through its 64mm inlet and 0.83 A/R geometry and is used when a single-scroll T3 flow path and WG outlet are required for the turbo build.
BorgWarner Turbine Housing EFR B2 64mm .83 T3 Single Scroll WG Assy