boost solenoid from s13 sr

[ZooMxxl]

i am looking for these two parts if anyone still has and dont need them. one being the boost solenoid and not sure what the other is called. i circled them in the link of the pic below.

http://home.comcast.net/~xuanami/parts.jpg

~Xuan

[CHARLIE2020]

I have that whole assembly, make me an offer...

[carkid0007]

How does this exactly work ?, what the knob for ? I thought I would ask in here because there was already a pic posted.