ACCEL 140034 Ignition SuperCoil only for 4 valve 10 to 15 percent more power than aging stock coils Delivers more torque quicker starts instant throttle response better acceleration a smoother idle and improved gas mileage Engineered specifically for 1997 to 2008 4.6L and 5.4L Ford 4 valve modular engines Reduces misfire and eliminates hesitation Completely redesigned highly conductive direct plug replacement