1958 Ariel Square 4 transmission parts

[thethrottlestop]

Hello All,
I'm new to the forum but have fully restored a few Ariel Square 4s before, the first one being the red Square 4 that was on the cover of motorcycle classics May/June 2019 issue. I'm currently repairing a transmission problem on a 1958 Square four. I am looking for the parts listed below

Sleeve gear, without bushes, 28T dragon fly part number 3639-52
2nd mainshaft gear, 22T dragon fly part number 3642-52
Selector fork and shaft, mainshaft dragon fly part number 3734-55

I'm am located in Elkhart Lake Wisconsin

Thanks in advance
Ryan