Measure your frame and where you want the stinger to land. I gave the measurements to a local Drawtite dealer and he ordered it. It took me about 5 hours to install it, but I'm slow.

Here's a pic...

http://img.photobucket.com/albums/v228/Avette4me/My%2058/BPhitch.jpg

on another note, I don't have those nasty arse bucket seats any more.. grin