anyone identify exactly what locker i have here?

[addiction2bass]

outta a 91 caprice limited slip 10bolt.
is this a eaton or auburn? i have no freakin idea exactly what it is.
ive looked online and eatons and auburns look about the same between the two.
i was told this would fit into my trucks 10bolt rear end and it would be nice to slap in my truck for alocker.
but im just curious what is it really?

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[JonZ71]

im going with eaton

 

[outalne94z71]

that is not a eaton, a eaton has holes in the end where you can see the clutch plate tabs

that is made for gm by auburn, you can see auburn's emblem cast by the patent number

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that has 2:56 gears which is the carrier break, it will not work with better gear ratios, you have a 2 series carrier, a spacer can be used but they tend to cause the bolts to fail

 

[addiction2bass]

O ok. Do you have any pictures of a eaton just for future refernece?