The throttle boss I put on Wendys is a Throttle Rocker. I couldn't find any other manufacturers names on it.

I found a link to it right here.
http://www.throttlerocker.com/
I paid $7 for mine from a friend who is a dealer,I see on thier web site they want $11 plus $1 to ship.

I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!