A833 Liberty Early Transmission

Hello
I need help to find an input shaft 18 splines for an A833 early 4/speed (1973) Liberty Transmission with SPUR GEARS.
Please let me know.
See Pics.

078A3695-7ABB-4C6E-9B70-439F1E6FE618.png

CAF663A8-4B7E-4398-AD56-8E0516AE5992.jpeg

373EB7D1-6BFB-4176-AA67-BE365A39D27E.jpeg

A5FD9DC0-FECE-4DBE-A107-C3A4C42DCECA.jpeg

BE3A8B2B-14AB-4F18-A555-4C4E434598B7.jpeg