Pulsar billet aluminum oil drain flange kit, CNC-machined from solid aluminum with an integral -12AN drain fitting, plus O-ring and mounting bolts. It bolts to the center section drain port of compatible turbochargers to provide a leak-free, high-flow AN-fitting oil return connection in place of the stock drain flange. Fitment: Pulsar PSR/PTG-series ball-bearing turbochargers, including the 6270G and 7170G.