Tomei Powered OVERSIZED FUEL PUMP(EVO4-9) - Manual (Page 12)

Fit the filter to the fuel pump (included).
The insulator rubbers which was removed earlier is
then to be inserted back into it's original place.
Check that it has been fitted properly so that there
will be no fuel leaks. Double check later that it has
been fitted well.
The insulator which was removed earlier, is now to be
fitted to the mouth piece of the fuel pump.
Please pay attention to the direction in which it is installed.
Not Inserted far enough
Notch side out
12
The coupler is connected to the fuel pump, the
fuel pump is inserted in pump assembly.
Take care not of the wirings position in the
assembly.
Correct Position
12