Aeromotive 14127 - 99-04 5.4L LIGHTNING_HARLEY FUEL RAIL SYSTEM - Manual (Page 4)

and Fitting Assembly for fuel line assembly instructions. Once the hose is assembled, ensure there
is no debris in the hose and install it.
27. A typical application looks similar to the picture shown below.
28. Connect one AN-08 90-degree hose end to each of the two ports on the fuel pressure regulator.
Connect one AN-08 90-degree hose end to each of the AN-08 cutoff flare fitting on the fuel rails. Plan
a route for each of the two lines between the fuel pressure regulator and the fuel rails, measure the
two lengths of fuel line needed. See section titled Hose and Fitting Assembly for fuel line assembly
instructions. Once the hoses are assembled, ensure there is no debris in the hose and install
them.
29. Inspect the OEM fuel supply line o-rings and replace if necessary. Place a light coat of oil on the fuel
supply line o-rings and the supply line adapter fitting to ease installation. Connect the AN-08 tee
adapter fitting to the OEM fuel supply line.
30. Using the remaining AN-08 hose end fittings as a guide, measure the required fuel line lengths
needed and make up the last two required AN-08 fuel supply lines (See section titled Hose and
Fitting Assembly). A typical configuration is pictured below.