FR-S / BRZ / GT86 - Breather & Coolant Neck (FA20)
This breather & coolant fitting replaces the factory plastic piece on the FA20 engine and results in a 55% increase crankcase ventilation (cross sectional area).
- 55% increase in breather cross section
- Eliminates failure prone plastic from cooling system
- 6061-T6 Aluminum
- Hard anodized black
Update: These can either accept your factory O-Ring or come with O-Ring spacers and a round O-Ring installed please specify in your order notes.