Holden / Chev Ls Fuel Rail To Gauge Adapter Female 1/8" Npt

to ensure a precise fuel pressure reading for optimum Aeroflow performance ls fuel pressure adapter allows the user to adapt a fuel pressure gauge to the standard ls series fuel rail. With the female -4 and female 1/8"" npt this fitting can also be used on other applications.

note: the removal of the schrader valve is necessary.