BOV 38mm Plumb Back fitting NGK An increase in boost over

An increase in boost over and above the base spring pressure can be achieved by manipulating the reference signal to an internal wastegate actuator or external wastegate

Supersonic and Vee Port Pro BOVs

R33 and R34 GTR & R33

Cap Adjustable Spring Pre-Load

a dual channel wideband controller and a state-of-the art engine management system in one powerful device we call a VCU (Vehicle Control Unit)

BOV 38mm Plumb Back fitting NGK An increase in boost overTurbosmart Plumb Back Fitting 38mm is specifically designed to be used with Turbosmart's range of Plumb Back, Dual Port and Supersonic Blow Off Valves. This fitting allows for installation directly into the turbo outlet pipe and ensures that no external hoses are needed. Turbosmarts superior engineering provides a secure connection between the BOV and your turbo outlet while allowing smooth operation at high pressure. The Turbosmart Plumb Back Fitting