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The ACT PO1‑HDSD heavy‑duty/performance street rigid clutch kit for the 1991 Porsche 911 uses ACT's Heavy Duty pressure plate paired with a performance street rigid‑hub disc to deliver race‑proven shifting with street manageability. The disc employs premium organic material with high copper content and steel‑backed lining; the chrome‑moly hub is heat‑treated for strength. Rivet and weight choices favor faster shifts and durability; kit includes a one‑year warranty.
ACT 1991 Porsche 911 HD/Perf Street Rigid Clutch Kit
