1999, 2000, 2001, 2003, 2004 Mustang Cobra 4V 4.6L
2007, 2008, 2009, 2010 Shelby GT500 4V 5.4L
Granatelli Pro-Series Coil Packs (Set of 8)
Granatelli Motorsports' Pro-Series coil packs are specifically designed to produce massive horsepower gains in a small, extremely simple package and help forced-induction applications get more power to their flywheels. Each coil pack features a patented design that provides up to 60,000 volts to your Cobra or GT500's spark plugs, increasing the engine's overall efficiency. This set of 8 coils is a direct, drop-in replacement for Ford's stock coil packs on 1999 to 2004 Cobras with a 4V 4.6L V8 and 2007 to 2010 Shelby GT500s with a 4V 5.4L V8.
The Pro-Series coil packs have been proven through rigorous testing to increase horsepower, torque and fuel efficiency by extremely impressive margins. Gains of 15 to 35 horsepower can generally be seen depending on your Cobra or GT500's specific configurations. Each coil pack has 0 ohms of resistance and will not interfere with the Mustang's radio or other electronic equipment. The Pro-Series kit includes all necessary hardware and can be installed in less than an hour.
Custom Tuning.
While not required, a Stage 3 Custom tune can get you even more horsepower and torque while qualifying you our Loyalty Tunes program.
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