recently got my aeromotive fuel pressure regulator in..its the -6an 1000..anyways I want to hook it up I just dont know what size the npt is on the exsisting fuel feed and return line..hopefully someone knows these sizes so I can buy the adapters..plus I would really like to use the original feed and return lines if possible..thanks for any input

 

Original uses Saginaw fittings, not NPT

http://cgi.ebay.com/ebaymotors/TPI-T...205|240%3A1318

Theres the fittings, you maybe be able to find a better deal elsewhere, but that should point you in the direction of what you need