Up for Buy-It-Now is a new old replacement stock starter drive spring, Wickwire part number SS7L. According to my Wickwire parts list, this is used on the following models and years:
1938-1939 Hudson..w/ MAB-4075 & MAJ-4057
The spring is in brand new, never used condition and is free of any damage. The original box is in good condition. Please feel free to E-mail me questions. International bidders are always welcome. Thanks for looking!!!