yeah but anybdy know what it stands for?
Ed not sure what "it" is. If your referring to the markings on the passenger or drivers side radiator support of a 69-70 Dearborn car or the section over the top where the hood latch support attaches
I suggest that you clarify and start a new thread (specific year and plant is not what this thread is focusing on) and we'll see if we can figure out an answer or at least a good guess.
That Boss I 'm putting back together (69 - B302) had two sets on the passenger side and 5-6 sets of marking the drivers.