This is a replacement actuator for the T28 turbo as found in the Nissan S14 and s15 silvia. It is adjustable via various weight springs just like an external gate (you can select which spring is supplied after ordering). Also available in universal and other vehicle specific fitments. (image for illustration only).

V-band clamp single (3.50")
Turbo oil and water line kit EVO 4-9
Yellowspeed Brake Kit 356mm 8-pot (18") Front
BC Camshafts SR20DE(T) stage 2 / 3
Magnaflow exhaust system - Ford Mustang V8 5L
Adjustable Cam Gears Nissan RB20-25-26
V-tec controller for Honda Vtec motors 