Np231 for sale
$100
Model year? Exposed length of input?
That sounds so dirty! 
I’m glad someone else has a mind like mine… I just don’t usually say it out loud.
I have a habit of engaging my mouth a lot sooner than my brain! 
(Sorry for the thread hijack Rich! 
)
What is it 
Transfercase
Came out of a 95 ZJ I believe
23 spline
Numbers on the tag are 52097526