BL Borg Warner EFR Series Turbo -10AN Oil Drain FlangeGasket Included (Bolt Hole Center to Center Dimension: 1.5″)Our EFR Series turbo oil drain flange is designed to work with all Borg Warner EFR turbochargers.This drain flange is specially machined to match the Borg Warner EFR oil drain outlet to ensure oil doesn’t back up into the CHRA.If you have any questions on fitment on your application, please contact us by email [email protected] or by phone 813-443-0531