How to identify injectors?

[Eddie@Performance]

Originally Posted by YoungRookie

I was cleaning up in my garage the other day and i stumbled across a little bag that had 4 injectors in it. My brother had them in there when we were building my talon. I think i remember him saying they were either 550cc or 750cc injectors. But how can i tell what they are and if they are top mount or sidemount or anything of that nature?

Do you mean side feed or top feed? We its quite obvious, top feeds have a fuel line connector at the top, side feeds look like they have a metal mesh screen around the sides.