Raceworks Female SAE EFI Quick Connect to AN Male Flare Fitting (Plastic Insert)Raceworks Female EFI Quick Connect Fitting to AN Male Flare. Adapts to many modern vehicles that use quick connect EFI fittings as well as the popular Ethanol Flex Sensors. Use below guide to determine correct sizing. Always lubricate the mating O rings with a light amount of oil prior to installing. These fittings feature a billet aluminium outer body with a plastic insert to secure onto the male fitting. All Raceworks fittings and adapters are full