Turbosmart’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 which overcomes the spring force inside the actuator. The result is a new level of boost control that can rival an external wastegate, with a smoother and more responsive boost curve under all operating conditions and a greater range between maximum and minimum boost, compared to a conventional single port actuator.
The Twin Port for the R35 GTR is a direct fit replacement for the standard wastegate actuators.
The kit includes two Twin Port IWGs for the R35’s two turbos, as well as a custom designed bracket and rod, meaning all the benefits of superior boost control are available without any custom fabrication or special tools. – See more at: http://www.turbosmartdirect.com/Product-Categories/R35-GT-R-VR38DETT-2007-current/IWG75-Twin-Port-Nissan-R35-7psi.html#sthash.rpCvkQJZ.dpuf