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Underdrive Crank Pulley 4.0L V6 2005-2009

Part Number:
UP43
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$272.99
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Mustang Underdrive Crank Pulley 4.0L V6 2005-2009

ASP Part Number: 526400
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.
ASP

Customer Review Summary

Overall Rating: 5/5

Customer Reviews

Great Part!

5 Stars

On 7/14/2012 5:02:29 AM, Denis Plutalov from NE

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!

Mustang Underdrive Crank Pulley 4.0L V6 2005-2009

ASP Part Number: 526400

Fits these Ford Mustangs:

  • 2005
  • 2006
  • 2007
  • 2008
  • 2009

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