The 5.7L Hemi fires two plugs per cylinder, so a weak coil pack costs more than it would on a conventional V8 and a misfire code is often the first symptom. This eight-pack replaces the full set on 2003-2005 applications, mounting in place of the factory coils and accepting the OEM connectors so the job needs no adapters.

MSD 55178 Ignition Coils Features:

• Set of eight coils for a complete ignition refresh.
• Fits 2003-2005 Mopar 5.7L Hemi engines.
• Direct bolt-in replacement that accepts factory connectors.
• Improved core materials and winding ratios raise spark energy.