Description

ACT Mod-Twin 225 Heavy Duty Sprung Street Clutch Kit

Upgrade your Subaru WRX STI’s performance with the ACT T1S-S05 Mod-Twin 225 Heavy Duty Sprung Street Clutch Kit. Designed for high-powered AWD street cars, this clutch kit delivers uncompromised pedal feel, durability, and engagement quality with very high torque capacity.

• High Torque Capacity: Handles up to 700 ft-lbs of torque, a 97% increase over OE. 
• Organic Friction Material: Twice the organic friction surfaces for stable friction coefficient and long clutch life.
• Mono-Drive Hub: Ultra-durable spring center Mono-Drive hub reduces driveline shock from torsional vibration.
• Modular Design: Completely modular and fully rebuildable; most components can be ordered separately.
• Light Pedal Effort: Exclusive four-stage heat-treating process provides a consistent light pedal feel.
• SFI Certified: Meets SFI Specification 1.2 for safety and performance.

Features and Specifications:

• Clutch Master Cylinder Included: No
• Grease Included: Yes
• Grade Type: Performance
• Flywheel Included: Yes
• Pilot Bushing Included: No
• Pressure Plate Type: Heavy Duty
• Release Bearing Included: Yes
• Clutch Disc Diameter: 8.8 IN (225 mm)
• Disc Material: Organic
• Input Spline Quantity: 24
• Input Shaft Diameter: 1 IN
• Alignment Tool Included: Yes
• Disc Type Sprung Solid: Sprung
• Pressure Plate Bolts Included: No
• Clutch Slave Cylinder Included: No
• Flywheel Bolts Included: No
• Pilot Bearing Included: Yes
• Product Weight: 28.1 lbs.
• SFI Specification: 1.2
• Torque Capacity: 700 ft/lbs. (97% over OE)

Compatibility List

The ACT T1S-S05 Mod-Twin 225 Heavy Duty Sprung Street Clutch Kit fits the following Subaru vehicles with the 2.5L H4 Turbocharged (2458cc) engine:

• 2004–2007 Subaru Impreza WRX STI – H4 2.5L Turbo
• 2007 Subaru Impreza WRX STI Limited – H4 2.5L Turbo
• 2008–2014 Subaru Impreza WRX STI – H4 2.5L Turbo
• 2010 Subaru Impreza WRX STI Special Edition – H4 2.5L Turbo
• 2011–2014 Subaru Impreza WRX STI Limited – H4 2.5L Turbo
• 2015–2021 Subaru WRX STI Base – H4 2.5L Turbo
• 2015 Subaru WRX STI Launch Edition – H4 2.5L Turbo
• 2015–2021 Subaru WRX STI Limited – H4 2.5L Turbo
• 2016 Subaru WRX STI Series.HyperBlue – H4 2.5L Turbo
• 2018 Subaru WRX STI Type RA – H4 2.5L Turbo
• 2019 Subaru WRX STI S209 – H4 2.5L Turbo