The 2 shafts side by side. 20 on the right, 22 on the left. Biggest change is the 2nd gear land and the nut retainer at the 5th gear end on the 20. The 22 has a cerclip arrangement. Albins do have the set in stock and have both 2nd gears as well. That said, should i want a new box/set I need to send send the lay shaft for modification and $4300... I wonder what the alternative 2nd gear is worth?

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