IWG75 Nissan R35 Twin Port 7psiTurbosmart's new Twin Port Internal Wastegate Actuators bring a new dimension of control to the R35's twin turbo setup. Whereas traditional internal wastegate actuators utilise a single pressure port to operate the actuator, Turbosmart's Twin Port actuators feature a second pressure port to a separate chamber. The pressure differential between the two sealed champers creates a dynamic force that overcomes the spring force inside the actuator. The