coil-on-plug connector sets virtually eliminate these kinds of problems and will improve performance and fuel economy.
ADDITIONAL APPLICATIONS AVAILABLE FOR GM AND CHRYSLER
HD HIGH PERFORMANCE COIL-ON-PLUG CONNECTOR SETS
A NEW Answer to Frequent Coil Replacements
The coil-on-plug ignition on the 4.6L and 5.4L Ford engines have many problems:
IGNITION COMPONENT PARTS
Available for 2V, 3V, 4V, and 10 Cyl Engines
Ford GT, 4.6L Mustang GT, Shelby GT 500, 4.6L Ford Crown Vic Marquis, Town Car, 5.4 Truck-Van-SUV 2007-1997