So I was changing the fuel pump on my 305 when I noticed it had three hoses.... The part I got from autozone had two...

Went back looked it up, and the part for the 350 engine has 3, but a bigger can on the bottom of the fuel pump.

Surely the 305's have 3 connects as well right? I mean a smallblock from the same year should both have the same crap.

the one with the trhree lines is for a car with a return line and the other is not