Turbosmart Gen V IWG75 Twin Port Upgrade Actuator Set for the Nissan R35 GT-R, including Position Sensors. These Actuators have it all, sharing the technology from the Award Winning Gen V Range of External Wastegates providing unparalleled actuator performance. Turbosmart IWG75 Internal Wastegate Actuator Range provides improvements in boost control over your factory actuator via increased working surface area of our unique diaphragm system, ensuring increased boost response and control, at any performance or boost level. New for the Gen V Range, the Nitronic guide & Hard Chromed Intermediate Rod, mated with the swivel joint system ensure the best possible lower chamber seal for true twin port control strategies, unequalled actuation range and control. Available Standard Gen V Cap : TS-0615-7143Position Sensor: TS-0615-7144Features: 1/8NPT reference ports Optional (HE) Hall Effect, Non-Contact Sensor True Twin Port Control for a wide 'Tuning Window'Hard chromed Intermediate rod & nitride guide Class Leading Fatigue Resistance and Control Spring Options from 5psi to 26psi (Included)