Stator Mount Adaptor Plate, Early
Part Number 70-4531/A
The 70-4531/A is to adapt later stators to these early bikes:
>> 1953-54 5T
>> 1954 6T
The #70-4531/A is identifiable by having a single thickness of .555" all the way around, and having 3 half moon cutaways in OD of plate.
Compare with #70-4531, used for most pre-unit models.