Moroso Air-Oil Separator Small Body Ford Focus ST 2013-2015 Wheel Bolt Pattern_5x114.3 Notes:2004-2006 STI

Notes:2004-2006 STI

or aggressive cam profiles

and Toyota vehicles This item is non application specific

Big End Bore: 2

Moroso Air-Oil Separator Small Body Ford Focus ST 2013-2015 Wheel Bolt Pattern_5x114.3 Notes:2004-2006 STIPart: # 85664 This is the Moroso Air Oil Separator Kit. The intended purpose of this system is to keep the excess crankcase vapors, residual oil, and moisture from building inside the intake manifold and to more importantly, keep the factory crankcase ventilation system from adding a layer of oil which can cause detonation issues. The provided tank will capture any excess oil and fluids and will prevent them from entering your intake system. This kit