P/N 17343: 10-17 Mustang GT Stealth EFI Fuel System: For Late Model Mustang GT?s with 3-Valve 4.6L Swap. Rated?for EFI engines producing up to 1,400 Flywheel HP Forced Induction or 1,900 Flywheel HP Naturally Aspirated on gas. Billet Fuel Rails for 2010-2017 Mustang GT Chassis with engine swap to a 4.6L 3V GT engine and/or equivalent intake. Includes Aeromotive?s Fuel Pump Speed Controller for continuous duty street/strip applications.