MotoMavens 10an Turbo Oil Drain Flange For Oil Cooled Turbonetics / Garrett / Precision / Borgwarner Turbochargers CNC Machined T6061 Aluminum Includes: Flange, Gasket And 2 Allen Bolts (M8x1.25) Fits Most Oil Cooled Turbochargers 2.0" Center To Center Mounting Holes. 10AN Thread Size