Under the unique Raptor hood is the 24-valve, 3.5L twin-turbo HO EcoBoost ® with Ford port-fuel and direct-injection (PFDI) system and 10-speed automatic, generating a massive best-in-class* 450 horsepower and 510 lb.-ft. of torque.** This high-output EcoBoost is also the standard engine for luxury travel in the top-of-the-line F-150 Limited.