This precision-machined 8AN Male to 3/8" female push-on EFI fitting is a must-have for any fuel system. With its various configurations, it fits OEM hard lines and fuel feed outlet of EFI fuel filter perfectly for an impeccable seal even at maximum operating pressures. Designed to provide a quick connect solution, AN8-3/8 fuel fittings are perfect for fuel rails and fuel feed outlet of EFI fuel filter applications. The fitting are made of high-quality aluminum alloy material for strong strength and durability. The anodized and hand-polished finish adds the final touch of quality and protection, making them resistant to corrosion and wear.