Details Whether you want to install a new inline fuel pump, or retro-fit an in-tank pump into a fuel tank that was originally manufactured without a pump, FAST™ has an easy solution for you. All FAST™ fuel pump kits are designed specifically to work seamlessly with EZ-EFI® systems, flowing the right amount of fuel for the application. Each kit comes with everything needed for installation. EZ-EFI® Retro-Fit Fuel Systems - Part # 307503 Includes: Inline Electric EFI Fuel Pump, 500 HP Capable Adjustable Fuel Pressure Regulator Fuel Pressure Gauge Billet Fuel Filter (Re-usable) Relay Harness (Plug & Play for EZ-EFI®) (1) 6AN to 6AN Female Coupler (Filter to Fuel Pump) (2) 6AN to O-Ring 6AN Straight Fitting (Regular In/Out) .
