You all maybe right, I typed in that part number on the diff on Google and found this post:

http://www.forabodiesonly.com/mopar/showthread.php?p=672610

Looks like I wasted my cash on something useless. Who'd run a 2.45 SG these days?

My YouTube Channel, "Hoosier Garage"
https://www.youtube.com/HoosierGarage