[transam1972]

Originally Posted by Held for Ransom

Bearing caps won't indentify year.
Fill plug is on the side of the carrier housing. Use a 3/8" drive (square) to remove it.
S-shaped spring is your preload spring for the Posi clutches.
http://www.pepboys.com/product/detai..._cover_gaskets

,,,,Thank you HFR!!..if I can confirm the outside part #..and the gear ratio..I would feel better..its not like I would change the axle..just curious as what this is! and why?? very cool info.!!!.thanks again!