Originally Posted by NeedsWings

the breather vac port is not needed on the new pump, the line vents to atmosphere in the engine bay. you can remove the vac line or just leave it as its not in the way for anything.

the hose clamp on the pump was put there by me, you need that for that connection as it is ~ 1mm smaller OD and the factory clamp is questionable on that one, hence we included a hose clamp for ya. the other port is the same as factory and can use the factory clamp. i'll do a writeup