The BorgWarner EFR turbocharger B1 7163F is an EFR-series turbo with a 0.85 A/R turbine and VOF wastegate configuration. Offered as a complete turbocharger, it provides the specific A/R geometry and EFR center design needed for certain boosted engine builds. Use it when a 0.85 A/R turbine profile and EFR hardware match your application requirements.
BorgWarner Turbocharger EFR B1 7163F 0.85 a/r VOF WG