Underdrive crank pulley for all 2005-2009 4.0L V6 Mustangs.Looking to improve the performance of your V6 Mustang while improving gas mileage as well? You have found what you need!
This underdrive crank pulley/harmonic damper assembly directly replaces the factory unit and provides an 8 to 10 rear wheel horsepower increase by reducing parasitic accessory drag. This reduction in drag also provides an increase in gas mileage as well!
Requires a new belt.
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CJ's Low Price:$46.99