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Engineered for power and torque gains across the entire RPM range
This premium radiator cap features a higher pressure rating than the stock cap
providing a comprehensive replacement solution
simplifying engine assembly and improving reliability
Perrin Alternator Pulley Black 2002-2005 WRX / 2004-2006 STI / 1993-2011 Impreza / 1998-2010 Forester / 2000-2004 Outback Universal_FAL Engineered for power and torquePerrin 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
