P/N 17335: 07-12?GT500 Stealth EFI Fuel System. For Mustang GT500?s with 3-Valve GT 4.6L Swap. 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 equipped with a 4...