The Granatelli MPG Plus ignition wire set for 2004–2008 Ford Mustang 4.6L (3V coil-on-plug) is specified as an MPG Series spark plug wire replacement tailored to those 3-valve coil-on-plug engines. It provides the correct fit and routing for factory ignition layouts and is intended as a direct service replacement when replacing aging or damaged ignition wiring on these Mustangs.
Granatelli 04-08 Ford Mustang 8Cyl 4.6L (3V Coil On Plug) MPG Plus Ignition Wires