Quote Originally Posted by Previologist View Post
Here's a better view of that thing. Hoses connect it to the supercharger and throttle apparatus so i presume its some sort of sensor or tells the SC when to do or not do it's thing. I can tell it was mounted by at least one bolt at one time, but it doesn't look real fresh, the other bolt hole is unmarked so it may have dangled free for a long time.
The one with the air hoses is the ACV (Air Control Valve) and attaches to the radiator. The other, if attached to the throttle body, looks like the IACV (Idle Air Control Valve).