How to install a fuel filter mounted Fuel pressure Gauge
Teflon wrap the guage threads, and the male threads on the 90* fitting. thats it!
Unscrew your gas cap to relieve some of the fuel pressure
Wrap the banjo bolt with some shop rags and remove the 12mm bango bolt.
Stock bango bolt removed. Clean the surfaces of any debris.
Install the new banjo bolt with new crush washers
Install the 1/8" 90 fitting. Then install the fuel pressure gauge
An overall shot of the setup
Check your fuel pressure at idle with the fpr vacuum hose connected, then check it with the fpr vacuum hose disconnected.
congrats you have successfully installed a fuel filter mounted fuel pressure regulator.