Perrin Alternator Pulley Black 2002-2005 WRX / 2004-2006 STI / 1993-2011 Impreza / 1998-2010 Forester / 2000-2004 Outback Universal_FAL Our engineers set out to

Our engineers set out to make the system as easy to install as possible

Engineered for power and torque gains across the entire RPM range

this kit offers peace of mind and performance

Upgrade your 2008-2014 Subaru WRX STI hatchback with the GReddy Supreme SP Cat Back Exhaust

Perrin Alternator Pulley Black 2002-2005 WRX / 2004-2006 STI / 1993-2011 Impreza / 1998-2010 Forester / 2000-2004 Outback Universal_FAL Our engineers set out toPerrin Alternator Pulley Black 2002 2005 WRX 2004 2006 STI 1993 2011 Impreza 1998 2010 Forester 2000 2004 Outback Lightweight CNC Aluminum Performance Engine Pulley Overview The Perrin Alternator Pulley is a precision engineered upgrade designed specifically for a wide range of Subaru models including the WRX, Subaru WRX STI, Impreza, Forester, and Outback from the early 1990s through the 2010s. This pulley replaces the heavier OEM steel unit with a