Special Phillips pan head screw for attaching the pancake motor to the quarter window regulator. 1969-73 Mercury Cougar and 1971-73 Ford Mustang. Weird threaded screw, called a triangle threaded screw. Slightly larger than 1/4-20. Unique and limited to quantity on hand. Three screws per regulator, sold individually.
Ford part # 381530-S.
*NOTE* For those of you who like to rebuild and refurbish your own parts, check out our video below. It will take you through the pancake motor refurbishing process. If we can do it, there is no reason why you can't too!
Check out this video