I bought these off another member a few weeks back, decided not to use them because the blinking light doesn't bother me. They are from an 04. $100 shipped with the "Mazdaspeed" valve caps.

http://img.photobucket.com/albums/v228/sonicyellowrx/TPMS.jpg

Do you have the nuts that screw over the nipples to hold them in place against the rim?

Hmm, I guess I didn't notice that when I got them. Maybe I won't be selling them if I can't find some nuts for them.

well, if the person who purchases them is just replacing bad sensors, then they would already have the nuts. no big deal.
Texak