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The PERRIN lightened crank pulley for Subaru Impreza (1993–2014, including 2002–2014 WRX) and 2004–2021 STI applications is supplied in blue as a direct replacement for the factory pulley. By reducing rotating mass, the lightened pulley is intended to improve engine responsiveness and is provided to fit the listed Subaru model years as a bolt‑on upgrade.
PERRIN 93-14 Subaru Impreza (Incl. 02-14 WRX) / 04-21 STI Lightened Crank Pulley - Blue
