The Supertech black nitride intake valve set for Subaru BRZ and FR‑S includes eight intake valves finished with a black nitride coating. Supplied as a set of eight for valve service or engine rebuilds, these intake valves are intended as direct replacement components to restore the intake side of the valvetrain to factory‑specified dimensions with a protective nitride finish.
Supertech Subaru BRZ/FRS Black Nitride Intake Valve - Set of 8