I ordered lines for a 71 hemi, that got me a 3/8 suction, 1/4 return that connects to the vapor separator up front that is bolted to the fuel pump. The other end went back to the fuel tank sending unit which had a 1/4 return nipple. Just like all the repos do today. Back in the day only hemis and 440/6 got a sending unit with 2 nipples because they had a return line.

Then the 3rd line is the vent line that connects to the rear vapor separator and then in the front it connects to the breather on the passenger valve cover up on the engine.

Not saying any of this is exactly as it came from the factory, just the way my lines fit. Wish I would have reused my original clamps too. Still have them in good shape and was lazy and didn't clean them up.
Look at my dates, I had it togeather wrong at first and then as time went on, I changed it. Get yours in place and see how it fits.





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