ACT Subaru WRX STI Mod Twin HD Street Kit Unsprung Clutch Kit — Fits 2004-2021 Subaru WRX STI

Save 19%
SKU: ACTT1S-S07
No reviews

About ACT ACT engineers high-quality automotive parts and accessories trusted ...Read More

Price:
Sale price$1,922.66 Regular price$2,381.00
Add To Cart
×

Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACT Mod-Twin 225 HD Rigid Street Kit for Subaru WRX STI

Maximize your Subaru WRX STI's performance with the ACT Mod-Twin 225 HD Rigid Street Kit. This kit is engineered for high-powered AWD vehicles, offering a potent combination of easy pedal feel, smooth yet positive engagement, and rapid shifting capabilities. It features dual organic friction surfaces coupled with a rigid Mono-Drive hub in a completely modular design, ensuring robust performance for demanding street and track applications.

Performance-Driven Features:

  • High Torque Capacity: Built to handle significant power increases, providing reliable torque transfer up to 700 ft/lbs.
  • Quick Shifting: The rigid hub design minimizes flex, allowing for faster and more precise gear changes, crucial for spirited driving and competition.
  • Durable Friction Materials: Utilizes steel-backed friction plates with high-quality organic materials that offer a stable friction coefficient, good heat capacity, and extended service life.
  • Robust Construction: The rigid Mono-Drive chrome-moly hub is heat-treated for exceptional strength and durability, ensuring longevity and reliable input shaft engagement.
  • Consistent Engagement: A specially treated diaphragm spring provides a consistent pedal feel, even under aggressive driving conditions.
  • Modular Design: Simplifies installation and potential future servicing.

This ACT clutch kit is an excellent choice for Subaru WRX STI owners who prioritize quick shifts and high performance. Its rigid design ensures direct power delivery and confidence-inspiring engagement, making it suitable for enthusiasts pushing the limits of their vehicles.

Get the ultimate performance upgrade for your Subaru WRX STI at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2014 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited
2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACT Mod-Twin 225 HD Rigid Street Kit for Subaru WRX STI

Maximize your Subaru WRX STI's performance with the ACT Mod-Twin 225 HD Rigid Street Kit. This kit is engineered for high-powered AWD vehicles, offering a potent combination of easy pedal feel, smooth yet positive engagement, and rapid shifting capabilities. It features dual organic friction surfaces coupled with a rigid Mono-Drive hub in a completely modular design, ensuring robust performance for demanding street and track applications.

Performance-Driven Features:

  • High Torque Capacity: Built to handle significant power increases, providing reliable torque transfer up to 700 ft/lbs.
  • Quick Shifting: The rigid hub design minimizes flex, allowing for faster and more precise gear changes, crucial for spirited driving and competition.
  • Durable Friction Materials: Utilizes steel-backed friction plates with high-quality organic materials that offer a stable friction coefficient, good heat capacity, and extended service life.
  • Robust Construction: The rigid Mono-Drive chrome-moly hub is heat-treated for exceptional strength and durability, ensuring longevity and reliable input shaft engagement.
  • Consistent Engagement: A specially treated diaphragm spring provides a consistent pedal feel, even under aggressive driving conditions.
  • Modular Design: Simplifies installation and potential future servicing.

This ACT clutch kit is an excellent choice for Subaru WRX STI owners who prioritize quick shifts and high performance. Its rigid design ensures direct power delivery and confidence-inspiring engagement, making it suitable for enthusiasts pushing the limits of their vehicles.

Get the ultimate performance upgrade for your Subaru WRX STI at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2014 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited
2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

Product Details

Product Description

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACT Mod-Twin 225 HD Rigid Street Kit for Subaru WRX STI

Maximize your Subaru WRX STI's performance with the ACT Mod-Twin 225 HD Rigid Street Kit. This kit is engineered for high-powered AWD vehicles, offering a potent combination of easy pedal feel, smooth yet positive engagement, and rapid shifting capabilities. It features dual organic friction surfaces coupled with a rigid Mono-Drive hub in a completely modular design, ensuring robust performance for demanding street and track applications.

Performance-Driven Features:

  • High Torque Capacity: Built to handle significant power increases, providing reliable torque transfer up to 700 ft/lbs.
  • Quick Shifting: The rigid hub design minimizes flex, allowing for faster and more precise gear changes, crucial for spirited driving and competition.
  • Durable Friction Materials: Utilizes steel-backed friction plates with high-quality organic materials that offer a stable friction coefficient, good heat capacity, and extended service life.
  • Robust Construction: The rigid Mono-Drive chrome-moly hub is heat-treated for exceptional strength and durability, ensuring longevity and reliable input shaft engagement.
  • Consistent Engagement: A specially treated diaphragm spring provides a consistent pedal feel, even under aggressive driving conditions.
  • Modular Design: Simplifies installation and potential future servicing.

This ACT clutch kit is an excellent choice for Subaru WRX STI owners who prioritize quick shifts and high performance. Its rigid design ensures direct power delivery and confidence-inspiring engagement, making it suitable for enthusiasts pushing the limits of their vehicles.

Get the ultimate performance upgrade for your Subaru WRX STI at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2014 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited
2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

DRIVERS Also Bought

Recently viewed