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ACT Mod-Twin 225 HD Sprung Street Clutch Kit for 2004-2021 Subaru WRX STI - T1S-S05

ACT Mod-Twin 225 HD Sprung Street Clutch Kit for 2004-2021 Subaru WRX STI - T1S-S05

Regular price $1,984.00 USD
Regular price $2,449.00 USD Sale price $1,984.00 USD
-18%
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ACT
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ACTT1S-S05
Looking for the lowest price?

Give us a call to get the best prices and parts for your build. Or, just call us with a cool racing story...either way we're here.

T1S-S05
Looking for the lowest price?

Give us a call to get the best prices and parts for your build. Or, just call us with a cool racing story...either way we're here.

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Clutch Kits - Multi
Key Features & Specs: Part Number: T1S-S05 Brand: ACT Series: Mod-Twin 225 HD Sprung Street Product Type: Clutch Kit Clutch Style: Modular twin disc / dual disc Disc Material: Organic...
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Description

Key Features & Specs:

  • Part Number: T1S-S05
  • Brand: ACT
  • Series: Mod-Twin 225 HD Sprung Street
  • Product Type: Clutch Kit
  • Clutch Style: Modular twin disc / dual disc
  • Disc Material: Organic
  • Clutch Disc Diameter: 8.8 inches / 225mm
  • Pressure Plate Type: Heavy Duty
  • Torque Capacity: 700 ft/lbs.
  • Torque Capacity Over OE: 97%
  • Input Shaft Diameter: 1 inch
  • Engagement: Soft progressive engagement
  • Pedal Effort: Light
  • Recommended Use: Street or Street/Strip
  • Construction Highlights: Forged aluminum cover, Mono-drive hub, exclusive diaphragm, hardened wear points
  • Certification: SFI 1.2
  • Warranty: 12 Months
  • Product Weight: 28.1 lbs.

Fitment:

  • 2004-2014 Subaru Impreza WRX STI
  • 2013-2021 Subaru WRX STI

The ACT T1S-S05 Mod-Twin 225 Heavy Duty Sprung Street Clutch Kit is engineered for high-performance Subaru WRX STI builds requiring exceptional torque holding capacity with smooth street manners. Featuring ACT’s modular twin-disc design with organic friction discs, a heavy duty pressure plate, and MonoLoc technology, this clutch provides strong engagement with light pedal effort and smooth shifting. Designed for street and street/strip applications, the Mod-Twin system delivers excellent heat tolerance, long service life, and consistent performance under demanding conditions while remaining fully serviceable and SFI certified.

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