Get hold of a clutch supplier. They have plastic alignment tools that would be much easier to use and cheaper than an input shaft (unless you can get a freebie).
They can't be used to install a pilot bushing, but an input shaft isn't really the best tool for that anyway.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.