Need spider gears!!!!!!

[Riddick]

Hi

Got a new project a 61 chevy K 15 4x4 its in decent shape for a midwest truck cab floor is completely intact! bed floor not so much , but oh well. Factory V-8, SM-420 4 speed T-221 transfer case still operates! here is my problem I am doing a quickie rebuild , engine , lookin things over fixin what needs fixed for a daily driver nothing fancy just so it all works and works right. It has an H033 rear axle I drained the fluid and water out so I felt I should pull it out and bottom line is I need spider gears . Where can I get these ? any help greatly appreciated.

Thanks Bill