Billet aluminum oil drain / return flange for GT ball bearing series turbochargers (GT25R/GT28R/GT30R/GT35R). Designed to be used with 8mm thread x 1.25 pitch allen head bolts. Also works with older T25 and T28 Non-Ball Bearing Turbos.
CNC milled from T6061 billet aluminum. Flange is tapped in the center with 1/2" NPT.