• Custom Engineered: Each fuel rail system offers a tailored installation solution for your 1999 - 2004 Ford 5.4L Lightning or Harley truck. • High - Quality Components: Features CNC - machined billet fuel rails, custom mounting brackets, and all necessary parts in one box. • Complete Installation: Comes with everything you need including stainless steel braided fuel lines and custom adapter fittings. Part Number 14127: 99 - 04 5.4L Lightning/Harley Fuel Rail System. Fits 1999 - 2004 5.4L Ford Lightning & Harley. It's a return - style system. Each billet fuel rail system includes high - flow billet fuel rails with steel mounting brackets, a billet adjustable regulator or fuel pressure sensor adapter, all necessary ORB - Port fittings, billet aluminum AN - hose ends, and custom OEM fuel supply and return line adapter fittings. For more information on the fuel rails, see the corresponding fuel rail kit for your applications. View Installation Instructions.

This Aeromotive fuel rail system is perfect for Ford enthusiasts who own 1999 - 2004 5.4L Lightning or Harley 1/2 ton trucks. Whether you're a professional mechanic or a DIYer looking to upgrade your vehicle's fuel system, this kit is for you. It simplifies the installation process with all the components neatly packed in one box. There's no need to worry about finding individual parts. The system features high - flow billet fuel rails and stainless steel braided fuel lines to ensure reliable fuel delivery. Although specific size and weight details aren't given, you can expect a well - crafted and sturdy product that will enhance your truck's performance.