PERRIN Lightweight Alternator Pulley - Red 2006-2014 Subaru WRX / 2007-2021 STI / 2006-2013 Forester

PERRIN Lightweight Alternator Pulley - Red 2006-2014 Subaru WRX / 2007-2021 STI / 2006-2013 ForesterPERRIN 06 14 Subaru WRX 07 21 STI 06 13 Forester Lightweight Alternator Pulley Red 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. Design Designed to match

always custom fit

The high-performance function of the Killer B Motorsport AOS is maintained without the need to drain collected liquid back into the crankcase

They're a direct drop-in to the factory floor — no clips to relocate

2:1 on S20 Heads without Combustion Chamber Mod and with

INSIDE DIAMETER

while improving functionality

Aluminum construction with precision drilled mounting holes

and all mounting hardware are included

six case bolts

Y-Pipe Design Features

The Cusco Type ALC OS strut bar for the Scion FR-S and Subaru BRZ utilizes the same stout construction of the Type OS however the center portion is wrapped in carbon fiber

Ideal solution for camping