Perrin Black Lightweight Alternator Pulley for 2004-06 Subaru WRX STI

Matching our signature Crank Pulley design, the PERRIN Alternator Pulley decreases rotational weight while maintaining good looks.

*Decrease Rotational Mass* PERRIN Alternator Pulleys weigh just 0.116 lbs., which is lighter than the OEM alternator pulley. Throttle response, horsepower, and torque are all increased with this easy-to-install part.

Make Model Year Trim Engine
Subaru Impreza 2004 WRX STI Sedan 4-Door All
Subaru Impreza 2006 WRX STI Sedan 4-Door All
Subaru Impreza 2005 WRX STI Sedan 4-Door All

Specifications

  • Brand: PERRIN Performance
  • Fitment Type: Performance/Custom
  • Warranty: 5 Year

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