When pulling my fuel rail before pulling off the intake manifold, I noticed that there were a few plastic pieces on a couple of the injectors that were broken. I don't have any pictures right now, will try to get pictures tomorrow night, but these small plastic pieces were on the bottom of the injector, below the o-ring. Does anybody know what these are called? Is this what I'm looking for??

http://www.pelicanparts.com/cgi-bin/...20Car%29%20%20

Also, if I'm going to buy those, should I just buy these instead, I'm assuming they're new o-ring sets with these plastic pieces included??

http://www.pelicanparts.com/cgi-bin/...er%20Car%29%20

 

Sounds like a plan. It would be good to get new seals to reset your injectors. It won't hurt for such a low cost.