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The SPEC Stage 3 clutch kit for 2004–2009 Subaru WRX STI is a heavy-duty single-plate clutch solution designed for high-torque street and track use. It upgrades clutch holding capacity over stock to support increased power and aggressive driving while preserving drivability for many installations. This kit is targeted at drivers modifying power and seeking a durable clutch capable of handling higher loads than the factory unit.
Spec 04-09 STi Stage 3 Clutch Kit
