IAG Air Oil Separator Kit FA24 WRX DBA4000 00mm Lift)

00mm Lift)

High seat pressure valve springs required

pilot bearing

The result is an improvement in both durability and motorsport-level drivetrain responsiveness

snap rings (some of various thicknesses)

IAG Air Oil Separator Kit FA24 WRX DBA4000 00mm Lift)KEEPS OIL OUT OF YOUR INTAKE The IAG air oil separator (AOS) is the most effective method of separating oil out of the crankcase gases before they are circulated back into the intake system. Removing the oil mist is critical for maximum reliability and longevity in motorsport and street performance applications. Oil in the intake system contributes to carbon build up on the back of the intake valves choking off airflow and reducing performance.