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This BorgWarner EFR B1 58mm turbine housing with .64 a/r and T25 single-scroll design is intended for use on compatible EFR turbochargers. The housing’s a/r dimension and flange type influence exhaust energy delivery to the turbine and are chosen to match specific spool and fitment requirements in a rebuild or custom turbo application for EFR B1 hardware.
BorgWarner Turbine Housing EFR B1 58mm .64 T25 Single Scroll WG Assy
