I use the stock fuel pickup which has fuel sender / low fuel on it for the return on my efi.
One thing you might want to consider is some sort of valve to turn off the "bottom feed" so you can clean the filters / pump. I use one similar to this la-176539234151&CATARGETID=230006180039216992&cadevice=c&gclid=CjwKEAjwqIfLBRCk6vH_rJq7yD0SJACG18fr2N3lBw1cnZYPTHjqBYFRBS2mrbU6-bdZ6-zCWKrcdRoCxRzw_wcB" target="_blank">http://www.jegs.com/i/Peterson...6-zCWKrcdRoCxRzw_wcB as the pre-filter.
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