What is this and do I need it

[67barracuda]

This sites behind the overflow tank. It has three sensors with plugs that air hoses that run from the carburetor I think.

 

[General karthief]

What year is this stang and does it have wires plugged into the carb?

 

[67barracuda]

What year is this stang and does it have wires plugged into the carb?

1986 and yes it did. I pulled the motor to do a swap and want to get the wiring correct before I continue.