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SPEC Stage 4 clutch kit for 2005–2011 Porsche Boxster 6‑speed is a high‑capacity single‑disc clutch kit intended as an upgraded replacement for more demanding driving. The Stage 4 designation indicates increased clamp ability and durability compared with lighter street kits, making it suitable for aggressive street or track use where higher torque capacity is required. Fitment is explicit to 2005–2011 Boxster 6‑speed models.
Spec 05-11 Porsche Boxster (6-Speed) Stage 4 Clutch Kit
