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UNDERDRIVE PULLEY/BALANCER KIT 2 PC 05/10 4.6L 3V
BBK Underdrive Pulley Kit. 2-Piece for 2005-2010 Mustang GT.
Bolt-on an additional 8-10 horsepower! Designed as an OEM quality upgrade to the factory system. Replaces the factory Harmonic Balancer & H2O Pump Pulley. Features an SFI-approved balancer/crank pulley along with a CNC machined aluminum water pump pulley. Comes with complete instructions for an easy install, requires no other modifications.
*Will deliver a slight increase in fuel efficiency by reducing power robbing accessory drag.
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||$279.99 You save 11% ($30.00)
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