The Fragola 7/8-20 dual-inlet 4150 fuel line kit with -8AN fittings adapts a dual-inlet 7/8-20 carburetor flange to larger -8AN AN-style plumbing. The source lists the 7/8-20 dual inlet 4150 to -8AN configuration, intended for applications that require a higher-flow AN connection to each carburetor inlet. It supplies the explicit adapters named for routing AN lines to a 4150-style carburetor.
Fragola 7/8-20 Dual Inlet 4150 -8AN Fuel Line Kit