Assistance deciphering this rear end tag

[SFM5S000]

Hey guys, I've been always terrible with these rear end tags. Based on the photo, what is application, date etc. all I can see is that it's gear ratio is 3:89. Thanks.

Cheers
~Earl J

[J_Speegle]

WCZ-H - Identification code for a 1965 - 3.89 -  9" Removable center section -  28 splines
3.89 - Gear ratio - 3.89 open/conventional
4JA - Date it was assembled as a unit  - First week Sept 1964
904- Identifier/Plant code for the rearend.

[SFM5S000]

Thank you Jeff.

~E