P/N 17336: 07-12?GT500 Stealth EFI Fuel System. For Mustang GT500?s with?GT500 4-Valve 5.4L Engine. Rated for EFI engines producing up to 1,400 Flywheel HP Forced Induction or 1,900 Flywheel HP Naturally Aspirated. For Mustang Shelby GT500?s with 5.4L GT500 Supercharged 4V engine and/or equivalent intake. Includes Aeromotive?s HD Fuel Pump Wiring Kit for limited duty racing applications.