If you ordered them from a legitimate store (as in not ebay or something like that) than I wouldn't worry about that much.i would love a quick write up. im swapping my injectors right now and they are not installing correctly into the engine. new part number on the injectors and with BB instead of BA on my stock ones. im confused.
And btw, this post is about 15 months old, don't expect a response from the OP.
Here's a link I found using the search feature on here that may be helpful to you.