2007-2021 Subaru WRX STI Alternator Pulley – Black by Perrin
Matching our signature Crank Pulley design, the PERRIN Alternator Pulley decreases rotational weight while maintaining good looks.
Perrin alternator pulley weighs just .116lbs, which is lighter than the OEM alternator pulley. Throttle response, horsepower, and torque are all increased with this easy-to-install part.
Features
- Constructed from High-Quality Materials
Benefits
- Lighter rotating parts free up engine power
Applications
- 2007-2021 Subaru WRX STI
What’s In The Box?
- 1 – Alternator Pulley
Warranty
- Perrin’s Standard Limited Warranty
