SE edition?

[GT6Steve]

Hey guys, I'm about to order a flex glass rear section for the 81 from these guys but got thrown a curve with the SE option. I can't tell from the pics what the difference is and haven't a clue what my car has. Can anyone explain the SE option?


http://www.mamotorworks.com/corvette-c3-bumpers+1974+1982-fiberglass-rear-1-165-1335.html

Regards, Steve