Male EFI quick connect to Male AN adapter fitting
male quick connect to AN male adapter fitting.
These adapter fittings are used on the corvette style regulator to adapt to AN on the fuel feed towards the engine. The corvette style regulator is commonly used as part of LS swaps on a return less style system.
This fitting adapts to AN6 and allows the use of Hot Rod fuel hose regular AN fittings with the corvette style regulator.