Is This A Gm 3 Bar Map

[Quik]

I had purchased what i was told a 3 bar GM map sensor off ebay. now not sure if it is one or not. heres the info on it

 

where it says CB A i have the following numbers under that

 

834 3113

 

has the GM trademark on top with 466

 

on back i have this next to teh plug

AA1-6

 

now on back with nipple towards the right and plug at bottom

 

first port is solid which is A

second port has key way at 12oclock which is b

third port has key way at 3oclock which is C

 

there is no other numbers on this sensor...now is this a 3 bar map?

[zippy]

MAP Sensor info.