Radium AOS-R Air Oil Separator for 2015+ WRX Garrett 0 Bolt 11511 -4AN Banjo

0 Bolt 11511 -4AN Banjo with M8 x 1

• 6AN ORB to 6AN Male (for return line)

which provides increased heat and pressure tolerance

• For STM Race Engine Oil Cooler Kit with B&M 70266

Radium AOS-R Air Oil Separator for 2015+ WRX Garrett 0 Bolt 11511 -4AN BanjoAn AOS (Air Oil Separator) kit is responsible for keeping blow by oil and other pollutants out of the intake pipe, manifold, turbocharger, and intercooler during all engine loads. The AOS "R" system "returns" what is collected back into the oil pan so there is no servicing required. The AOS mounts to the Radium Brake Master Cylinder Brace. The AOS is available with or without the brace in case you have already purchased it. Vehicle Fitment: 2015+