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The BorgWarner EFR medium-boost actuator with .83 notation is intended for 64mm–80mm turbine-wheel applications. It provides the medium-boost control calibration appropriate for larger-wheel EFR turbochargers and is suitable for actuator replacement or servicing. Choose this actuator to preserve the intended boost characteristics on EFR setups using 64–80mm turbine wheels.
BorgWarner Actuator EFR Medium Boost Use with 64mm-80mm TW .83
