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The BorgWarner EFR Super Core B2 8374 is a replacement super core for EFR-series turbochargers. Offered as the internal rotating assembly option identified by B2 8374, it allows rebuilding or refreshing an EFR turbo without replacing the entire housing. Use this core when servicing EFR chargers to restore internal components aligned to the B2 8374 specification.
BorgWarner Super Core EFR B2 8374
