The BBK billet aluminum fuel rail kit for 1999–2004 Mustang 4.6L GT is a high-flow direct-fit upgrade machined from lightweight billet for clean fit and finish. It features full-size ports at each end and a 1/2 in. inside diameter bore to support stock or modified turbo, supercharged, or nitrous systems. The kit includes all mounting hardware, hoses and fittings for installation.
BBK 99-04 Mustang 4.6 GT High Flow Billet Aluminum Fuel Rail Kit