Edelbrock Coil Pack 22783 is a set of eight coil - on - plug coils designed as direct performance replacements for the OEM coils on 2004 - 08 Ford 4.6L - 5.4L 3 - valve V8 engines. Each coil in the 22783 pack features advanced technology with heavy - duty primary and secondary windings inside of a corrosion - resistant housing. The enhanced windings in these coils offer higher energy and voltage output for greater spark and can help to provide quicker starts with improved idle quality. Coil housings are resistant to heat, shock, vibration and corrosion. This coil is also sold individually under 22782.