rear end id

[frank long island]

pulled this rear out of a 65 mustang 8 cyl can anyone give me some info the tag reads k cz-f1 3 00 8cd 931 thanks

 

[KULTULZ]

Are you certain you read the TAG correctly?

EDIT -

WCZ-F1

1965/70 MUST
8" RG
3.00 OPEN
28 SPLINE

 

[rotorwrench]

The 8-inch Ford axle was used for most of the early small block Ford V8 applications. The 3.0:1 ratio was likely for an automatic transmission car.

The Ford 6-cylinder cars used the 7.25" rear axle with the 4-lug axle shafts.

 

[frank long island]

thanks for the info