GENUINE HONDA PCV VALVE CIVIC EG EK INTEGRA DC2 B16 B18 VTEC B-SERIESGenuine Honda PCV Valve. This little valve plays a crucial role in regulating crankcase pressure. These can become blocked, either partially or fully and should be addressed as soon as possible. Replace yours with this top quality Genuine Honda part. Expect unrivalled Japanese quality and a first time fit for the application. Sourced directly from Japan. Suitable for all B16A2, B16B and B18C engine codes.