Ford Racing's supercharger kit for the 2004-2008 F150 5.4 3V uses the proven Whipple 2.3l supercharger to produce an additional 160 hp and 160 lb-ft of torque at the rear wheel with 93 octane. Kit includes: ï2.3L Twin Screw Supercharger Assembly ïOpen air high-flow intake ïIntake manifold ïDrive belt ïThe Ford Racing ProCal tool with performance calibration is used for significantly improved throttle response and performance feel