The Supertech black-nitrided intake valve for Subaru BRZ FA20/FA20D engines is a single intake-side replacement designed to match FA20 intake requirements. The black nitriding treatment increases surface hardness and helps resist wear where the valve meets the guide and seat. Sold individually, it provides a direct replacement option for FA20-series engines.
Supertech Subaru BRZ FA20/FA20D Black Nitrided Intake Valve - Single (Drop Ship Only)