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The BorgWarner EFR high-boost actuator is listed for use with 55mm and 58mm TW configurations and noted alongside 0.92 TH housings, delivering higher actuation force for elevated boost settings. It’s intended as a compatible actuator choice when fitting EFR turbos that require stronger wastegate control to support higher target boost pressures in custom turbo systems.
BorgWarner Actuator EFR High Boost Use with 55 and 58mm TW .92 TH
