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The ACT Mod‑Twin 225 HD Rigid street kit is a clutch solution for Subaru 2004–2020 WRX STI models, combining doubled organic friction surfaces with a rigid chrome‑moly Mono‑Drive hub for durability and quick shifting. Heat‑treated hub components and steel‑backed friction plates deliver stable engagement and long life. The complete, rebuildable kit includes a balanced flywheel and all major clutch components.
ACT Subaru 04-20 WRX STI Mod Twin HD Street Kit Unsprung Mono-Drive Hub Torque Capacity 700ft/lbs
