It was a GM part so all the bolts lined up as expected. Arrived fast. Problem solved.
1993-2002 Pontiac Firebird Formula Trans Am Power Mirror Mount. Passenger side
Designed to break when the mirror is impacted to avoid more extensive damage.
No longer produced or available from GM.
Application: 1993-2002 Pontiac Firebird, All models with Power Mirrors. Passenger side only.