This is the fuel line you need when installing a Gen3, Gen4, or gen5 3SGTE engine into your 1985-1989 MR2 or 1991-199 MR2. This fuel line connects from the top of the fuel filter directly to the fuel rail. This is a 3/8" fuel line with -6AN connections. Don't forget to order the fuel return line as well! This fuel line now comes with all BLACK fittings.