3/8'' 10MM FUEL PRESSURE GAUGE INLINE ADAPTOR - 1/8" NPT SENSOR PORTThis is an easy, effective, and inexpensive way to install a fuel pressure gauge in your engine compartment, or an easy way to tap your fuel line or hose for a 1 8" NPT port for either a remote fuel pressure gauge install or a nitrous install. This gauge adapter is for use with 3 8" hose (9 10mm hose) and it has a 1 8" NPT port on the side. This part is hard anodized in a beautiful black finish, for good looks and durability. We also list a 1 2"