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The Perrin lightened crank pulley in red fits 1993–2014 Subaru Impreza (including 2002–2014 WRX) and certain 2004–2021 STI applications without air conditioning. This reduced‑mass crank pulley is a direct replacement for the factory unit and is intended to improve engine responsiveness by lowering rotational mass while preserving fitment for supported Subaru engines.
PERRIN 93-14 Subaru Impreza (Incl. 02-14 WRX) / 04-21 STI (w/o AC) Lightened Crank Pulley - Red
