1999, 2000, 2001, 2003, 2004 Mustang Cobra 4V 4.6L
2003, 2004 Mustang Mach 1 4V 4.6L
2007, 2008, 2009, 2010 Mustang GT500 4V 5.4L
Granatelli Hot Street Coil Packs (Set of 8)
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THIS PRODUCT HAS BEEN DISCONTINUED BY THE MANUFACTURER.
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Granatelli Motorsports' Hot Street line of ignition coils boosts the total juice delivered to your spark plugs to 45,000 volts -- 20,000 more than stock. The higher voltage creates a massively powerful spark that boosts horsepower, torque and fuel economy. Best of all, the Hot Street coil packs are extremely easy to install. Granatelli's coils are designed for Ford's 4V engines, including the 4.6L of the 1999 to 2004 Cobra and the 5.4L of the 2007 to 2010 Shelby GT500.
This set of eight coil packs is OBD-II compliant and won't interfere with your Mustang's other electronic devices. These coils come standard with epoxy-filled coil housings and have been proven to increase fuel economy by up to 15%. These coils are a perfect solution for street-driven Mustangs looking for an excellent bump in power.
Custom Tuning:
While not required, Granatelli's coils greatly benefit from a Stage 3 Custom Tune that also qualifies you for our Loyalty Tunes Program.
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