ACT Mod-Twin 225 XT Street Clutch Kit 2004-2021 STI


This is ACT's new Mod Twin 225 XT Sprung Street Clutch Kit. This particular clutch kit is ideal for high-horsepower AWD vehicles and unites uncompromised pedal feel, durability, and engagement quality with high-torque capacity. This clutch combines twice the organic friction surfaces with an ultra-durable spring-center mono-drive hub assembly in a completely modular design. Each diaphragm spring endures an exclusive four-stage heat-treating process that provides a consistent light-pedal feel. Other features include puck-style friction plates with high-quality organic friction materials that deliver a high friction coefficient, superior heat capacity, and longer clutch life. The friction plates uniformly transfer torque to a Mono-Drive sprung hub assembly which extends input shaft life and reduces driveline shock from torsional vibration.

- Forged aluminum cover
- Mono-drive hub
- Exclusive diaphragm
- Premium friction materials with hardened wear points
- Better / Stronger for Launching The Car
- Soft progressive engagement
- Light pedal effort
- Quick-shifting
- Mild to moderate transmission gear noise

- Torque Capacity (ft/lbs.): 875
- Torque Capacity Over OE: 146%
- Disc Type: Multi Disc

- CNC-machined and dynamically balanced flywheel
- Pressure plate cover
- Diaphragm spring
- Face
- Puck-style ceramic friction plates
- Rigid mono-drive hub assembly
- Floater
- Patented Monoloc Collar
- Release bearing
- Alignment tool
- Pilot bearing (if needed)

2004-2007 STI
2008-2014 STI
2015-2021 STI

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