IWG75 Nissan RB26DETT 7psi TS-0615-6072Turbosmart IWG75 for Bolt on upgraded Garrett and HKS turbos for the Nissan Skyline GT R; R32, R33 and R34. The Turbosmart IWG75 Range of Internal Wastegate Actuators takes the Motorsport Proven technology from our External Wastegates and applies it to the internal wastegate actuator. Turbosmart's large diaphragm working area ensures you're in control of your boost curve. This increased working surface area ensures greater mechanical advantage and