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The Supertech black-nitrided exhaust valve for Honda B16A and B18C engines is supplied as a single replacement valve. Finished with a black nitride surface treatment per the description, this part is intended for exhaust-side service on the listed Honda engines. Sold individually, it provides a straightforward replacement when an exhaust valve needs renewal.
Supertech Honda B16A/B18C Black Nitride Exhaust Valve -Single
