I contacted the tech team at Doug's (Pertronix) to inquire about the dents, and they said they are for bolt clearance. ID67goat, since your older ones don't have them, maybe they added that "feature" somewhere along the way.
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1966 Pontiac GTO ( restoration thread)
1998 BMW 328is ( track rat)
2023 Subaru Crosstrek Limited ( daily)
View my photos: Caught in the Wild
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