Supertech offers this black‑nitrided intake valve as a +1mm oversize option for the Peugeot 206 EW10J4S engine, sold as a single valve. The oversize sizing supports reworked valve seats and is intended for intake-side replacement when the EW10J4S head requires a larger valve dimension for proper seating.
Supertech Peugeot 206 EW10J4S Black Nitrided Intake Valve - +1mm Oversize - Single