I have a spare OEM
oil dipstick and tube. I also have a spare OEM timing pointer and screws but it's for the early C3 cover. I think it'll fit the later C8 cover as well.
Also have a nice aluminum rear breather cover w/pvc valve. It has the rubber grommet and push in PVC. I polished it. It's from Nick @ Acton. I don't have breather basket for the intake sorry. If you can use it I'll send it along. Not sure of you need a solid cover or one with a PVC.
Just let me know where to send them.
Edit to add........if you let me know what color the engine is going to be (black I'll assume?) I'll clean and paint the parts before I send them. I'll also see what else I have around I can send.