Product DescriptionUnderdrive 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.
- Overall Rating: 5.0 / 5.0
- 1 Reviews
Just installed this underdrive crank pully onto my 2005 Mustang convertible, and it feels great! My engine gained a bit more power and works much smoother. Nice feeling overall!
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CJ's Low Price: $43.99