ACT Mod-Twin 225 HD Sprung Street Clutch Kit for 2005-2025 Subaru WRX, Legacy & Outback (T1SS-S01)

Fits select 2005-2025 Subaru WRX, Impreza WRX, Legacy GT, Outback XT, Forester XT, and Baja Turbo.

The ACT Mod-Twin 225 HD Sprung Street Kit is engineered specifically for high-powered AWD street applications. It balances high torque capacity with manageable pedal feel and smooth engagement by utilizing a modular design with double organic friction surfaces. The system features a durable Mono-Drive sprung hub assembly that reduces driveline shock and torsional vibration, protecting your transmission input shaft during aggressive driving.

• High Torque Capacity: Dual organic friction plates provide twice the surface area of a standard clutch, delivering superior heat capacity and stable friction coefficients for high-horsepower builds.
• Consistent Pedal Feel: Each diaphragm spring undergoes an exclusive four-stage heat-treating process to ensure a light, consistent pedal feel throughout the life of the clutch.
• Precision Engineering: Includes a CNC-machined and dynamically balanced flywheel for reduced vibration and improved throttle response.
• Modular Design: The Mod-Twin system is fully rebuildable, allowing for individual component replacement and long-term serviceability.

Kit Includes: Dynamically balanced flywheel, pressure plate cover, diaphragm spring, steel-backed organic friction plates, sprung Mono-Drive hub assembly, floater, patented Monoloc collar, release bearing, alignment tool, and pilot bearing (where applicable).

• Manufacturer Part Number: T1SS-S01
• Clutch Type: Mod-Twin 225
• Disc Style: Sprung Street (Organic)
• Pressure Plate: Heavy Duty (HD)