This direct fit fuel pump module will drop directly into any 1983-1997 Ford Mustang EFI fuel tank. The module has been designed with a 525 LPH (liters per hour) Holley fuel pump that will support up to 1200 EFI or 1450 Carbureted horsepower (HP Rating @ 60 PSI at 13.5 Volts / 10.4 AMP Draw) The flange has a 6AN o-ring outlet and return port making the plumbing connections easy. The kit includes the assembled module, a new filter sock, flange o-ring, and the lock ring to complete your installation into your stock fuel tank. The 6061-T6 module flange has been anodized in a bright dip black finish that not only looks great but will also protect from undercar corrosion. Features: 6061-T6 Aluminum fuel pump module with a 525 LPH (liters per hour) Sniper pump assembly drops into stock 1983-1997 Mustang EFI fuel tanks 6AN o-ring outlet and return ports for easy plumbing connections Filter sock, flange o-ring, and fuel tank lock ring included to complete your installation Can be used with both carbureted and EFI (Electronic Fuel Injection) fuel systems depending on your needs Supports up to 1200 EFI or 1450 Carb HP (@ 60 PSI at 13.5 Volts / 16.9 AMP Draw) of course there are many variables, estimates are based on gasoline. Individual systems will vary based on fuel system design, regulator type, fuel cell location, etc... Both EFI and carbureted systems will need a bypass design regulator (We recommend the 12-879 or 12-880 Bypass Regulators for these installations. They can be used for both carbureted and EFI systems) The flange is bright dip black anodized for corrosion protection from undercar moisture.Learn More