Help Me Identify Differential (Traction Lock?)

[dduran]

Hi everyone,

I am hoping someone can help me identify the diff that is currently on my 9” rear end that is going into my 65 fastback. I can’t find a serial number or marking. Your help would be appreciated.

Thank you

 

[2Blue2]

Kind of looks like a older truetrac limited slip

This is the current offering
But hard to tell