Better Fuel Economy. A hotter spark burns fuel more completely releasing all it's energy translating into better fuel economy and power.
Application. These Granatelli Motor Sports Three valve Hot Street Coil Packs are designed for use with the 2005-2010 GT Mustangs.
Mustang Fitment: 2005, 2006, 2007, 2008, 2009, 2010 Details >>