Radium AOS-R Air Oil Separator for 08+ EJ WRX/STi (20-0607) Seibon the STM -12AN Balance Shaft

the STM -12AN Balance Shaft Breather Fitting is an aluminum weld-on piece to attach right to your front cover

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5mm) Super Alloy Set of 8 GSC 2005-01 STD Size (30

Part Number: Diagram: 1028A025 04228ZZ

Radium AOS-R Air Oil Separator for 08+ EJ WRX/STi (20-0607) Seibon the STM -12AN Balance ShaftRadium AOS R for 2008 2014 Subaru WRX and 2008 2021 STi. The AOS (Air Oil Separator) keeps blow by oil out of the intake pipe, manifold, turbo and intercooler. The AOS "R" system "returns" what is collected back into the oil pan so there is no servicing required! Vehicle Fitment: 2008 2014 Subaru WRX 2008 2021 Subaru STi Fits LHD left hand drive ONLY Install Notes: The Radium AOS R kit may not be compatible with all other aftermarket products. Install