This stock?

I have a set of injectors that came with my car that I dont know if they are stock or not. The top o-ring is orange and the bottom end that goes into the manifold is green. I dont have a dig cam anymore(broke it)

They could very well just be stock and the previous owner replaced those o-rings. Are there any white letters or numbers on the sides of the injectors? All of the non-stock injectors I've ever seen have white or other color writing on the sides of them to indicate the size/part number of the injector.

They sound like stock to me