Converter ID

[77 cruiser]

Trying to help a guy on another forum. Anybody know what this one is. I'd say Art Carr lockup or non lockup?

 

[77 cruiser]

I'm shocked.

 

[Pittguy]

An ac-14131 is a art carr converter. Not sure what your p/n actually is.Hard to tell lock vs non. Usually furthest splines in that turn with resistance is a lock up.