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The BorgWarner EFR B2 74mm turbine housing with 1.45 A/R is a T4 twin-scroll 'H type' assembly designed for high-flow requirements. With a 74mm inlet and a notably larger 1.45 A/R exhaust geometry, this housing supports applications calling for expanded flow in a twin-scroll T4 configuration while matching EFR B2 turbine mounting and WG provisions.
BorgWarner Turbine Housing EFR B2 74mm 1.45 T4 Twin Scroll (H Type)
