
The SPEC Stage 4 clutch kit for Subaru WRX (2006–2010) and Legacy GT (2007–2010, including Spec B) is an unsprung, race-use-only setup intended for high-load competition applications. Built as a stage-focused clutch assembly, it provides the holding capacity and engagement characteristics suited to competitive driving. This kit is not intended for street-driven longevity or standard daily-use compatibility.
Spec 06-10 Subaru WRX/07-10 Legacy GT (including Spec B) Stage 4 Clutch Kit - Unsprung Race Use ONLY