Bimmian's website is difficult to navigate. I have:
Brakes: WTSZZY8XB
Turn signals: WTSZZY5AB
They were a little cheaper when I did this years ago.
Between brakes, turn signals, panic brakes, and reverse lights I'm into it for about $250.
Some more info in this old thread:
http://www.zpost.com/forums/showthre...7#post15524907