GM Solenoid - anyone using it?

Just curious if anyone is using this?

Any pros / cons ...etc.?

 

I know somone here must have it instead of there avcr , perrin ebcs , etc..

 

Seems to be a lengthy topic on nasioc.
http://forums.nasioc.com/forums/showthread.php?t=870619

 

I have the perrin on my car and have the typhoon solenoid. It is plumbed the same as the perrin and works the same but it is a lot cheaper in both price and quality.