Section 12 (Ignition System (Service Information)): Coil-Ignition: Description: 5.7L
WARNING: This page is about a different car, the 2006 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of DAIMLERCHRYSLER CORP.
The 5.7L V-8 engine uses 8 dedicated and individually fired coils (3) for each pair of spark plugs.
Each coil (3) is mounted directly to the top of each spark plug. Each coil is bolted (2) to the valve cover (4).