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The BorgWarner EFR B2 64mm turbine housing with 1.05 A/R is a T4 twin-scroll housing intended for EFR B2 turbine wheels. Its 64mm inlet and larger 1.05 A/R exhaust geometry suit builds that call for higher flow potential within a twin-scroll T4 configuration, providing the compatible turbine-side housing to pair with EFR components.
BorgWarner Turbine Housing EFR B2 64mm 1.05 T4 Twin Scroll
