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