GenV RacePort Plumback Valve (Sleeper)The Turbosmart RacePort is famous for being an amazingly small and light BOV for turbocharged competition level engines. Featuring our unique collar desgin and internal flow structures, it is 50% lighter and 25% smaller than the competition while flowing huge CFM making it the highest flowing 50mm 2. 0? valve on the market. New for 2023! The RacePort Plumback The GenV Plumback RacePort valve is a heavy duty recirculating and plumb back diverter valve