ACT Mod-Twin 10.5 HD Rigid Disc Street Clutch Kit — Fits Camaro/Corvette LS1-LS7

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SKU: ACTT1S-G13
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Sale price$2,204.00 Regular price$2,433.00
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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.

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ACT Mod-Twin 10.5 HD Rigid Disc Street Clutch Kit for Camaro/Corvette LS Engines

Enhance the performance and drivability of your Chevrolet Camaro, Corvette, or Pontiac GTO equipped with LS1, LS2, LS3, LS6, or LS7 engines with the ACT Mod-Twin 10.5 HD Rigid Disc Street Clutch Kit (T1S-G13). This meticulously engineered clutch system is designed for high-powered street machines, offering a perfect blend of smooth pedal feel, positive engagement, and rapid shifting capabilities.

Superior Performance for Street and Strip

The ACT Mod-Twin clutch kit utilizes a modular design featuring two 10.5-inch organic friction discs. This setup doubles the friction surface area, providing exceptional torque capacity and smooth, progressive engagement. The rigid disc design, combined with a solid Mono-Drive Chromoly hub, ensures quick and precise shifts, minimizing drivetrain lash and maximizing power transfer. The steel-backed friction plates are equipped with high-quality performance organic materials, delivering a stable friction coefficient and excellent heat capacity for extended clutch life.

  • Increased Torque Capacity: Dual organic friction discs handle significantly more power than stock clutches.
  • Smooth Pedal Feel: Exclusive four-stage heat-treated diaphragm spring ensures consistent and light pedal effort.
  • Positive Engagement: Rigid disc design and high-quality organic materials provide crisp and reliable clutch engagement.
  • Quick Shifting: Mono-Drive hub design minimizes drivetrain slop for faster gear changes.
  • Durable Construction: Heat-treated Chromoly hub extends input shaft life, while steel-backed plates ensure longevity.
  • Wide Vehicle Compatibility: Fits a broad range of GM vehicles with LS1, LS2, LS3, LS6, and LS7 engines.

ACT's commitment to rigorous testing and advanced manufacturing processes ensures that the Mod-Twin clutch kit delivers uncompromising performance and reliability. Whether you're cruising the streets or hitting the drag strip, this clutch provides the confidence and control you need. Upgrade your LS-powered vehicle with the performance and durability of ACT from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1998-2002 Chevrolet Camaro Z28
1998-2002 Chevrolet Camaro Z28 SS
2010-2015 Chevrolet Camaro SS
2014-2015 Chevrolet Camaro Z/28
1997-2013 Chevrolet Corvette Base
1998 Chevrolet Corvette Indianapolis 500 Pace Car
2001-2004 Chevrolet Corvette Z06
2003 Chevrolet Corvette 50th Anniversary Edition Pace Car
2006-2013 Chevrolet Corvette Z06
2008 Chevrolet Corvette 427 Limited Edition Z06
2010-2013 Chevrolet Corvette Grand Sport
2013 Chevrolet Corvette 427
1998-2002 Pontiac Firebird Formula
1998-2002 Pontiac Firebird Trans Am
2004-2006 Pontiac GTO Base

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 10.5 HD Rigid Disc Street Clutch Kit for Camaro/Corvette LS Engines

Enhance the performance and drivability of your Chevrolet Camaro, Corvette, or Pontiac GTO equipped with LS1, LS2, LS3, LS6, or LS7 engines with the ACT Mod-Twin 10.5 HD Rigid Disc Street Clutch Kit (T1S-G13). This meticulously engineered clutch system is designed for high-powered street machines, offering a perfect blend of smooth pedal feel, positive engagement, and rapid shifting capabilities.

Superior Performance for Street and Strip

The ACT Mod-Twin clutch kit utilizes a modular design featuring two 10.5-inch organic friction discs. This setup doubles the friction surface area, providing exceptional torque capacity and smooth, progressive engagement. The rigid disc design, combined with a solid Mono-Drive Chromoly hub, ensures quick and precise shifts, minimizing drivetrain lash and maximizing power transfer. The steel-backed friction plates are equipped with high-quality performance organic materials, delivering a stable friction coefficient and excellent heat capacity for extended clutch life.

  • Increased Torque Capacity: Dual organic friction discs handle significantly more power than stock clutches.
  • Smooth Pedal Feel: Exclusive four-stage heat-treated diaphragm spring ensures consistent and light pedal effort.
  • Positive Engagement: Rigid disc design and high-quality organic materials provide crisp and reliable clutch engagement.
  • Quick Shifting: Mono-Drive hub design minimizes drivetrain slop for faster gear changes.
  • Durable Construction: Heat-treated Chromoly hub extends input shaft life, while steel-backed plates ensure longevity.
  • Wide Vehicle Compatibility: Fits a broad range of GM vehicles with LS1, LS2, LS3, LS6, and LS7 engines.

ACT's commitment to rigorous testing and advanced manufacturing processes ensures that the Mod-Twin clutch kit delivers uncompromising performance and reliability. Whether you're cruising the streets or hitting the drag strip, this clutch provides the confidence and control you need. Upgrade your LS-powered vehicle with the performance and durability of ACT from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1998-2002 Chevrolet Camaro Z28
1998-2002 Chevrolet Camaro Z28 SS
2010-2015 Chevrolet Camaro SS
2014-2015 Chevrolet Camaro Z/28
1997-2013 Chevrolet Corvette Base
1998 Chevrolet Corvette Indianapolis 500 Pace Car
2001-2004 Chevrolet Corvette Z06
2003 Chevrolet Corvette 50th Anniversary Edition Pace Car
2006-2013 Chevrolet Corvette Z06
2008 Chevrolet Corvette 427 Limited Edition Z06
2010-2013 Chevrolet Corvette Grand Sport
2013 Chevrolet Corvette 427
1998-2002 Pontiac Firebird Formula
1998-2002 Pontiac Firebird Trans Am
2004-2006 Pontiac GTO Base

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 10.5 HD Rigid Disc Street Clutch Kit for Camaro/Corvette LS Engines

Enhance the performance and drivability of your Chevrolet Camaro, Corvette, or Pontiac GTO equipped with LS1, LS2, LS3, LS6, or LS7 engines with the ACT Mod-Twin 10.5 HD Rigid Disc Street Clutch Kit (T1S-G13). This meticulously engineered clutch system is designed for high-powered street machines, offering a perfect blend of smooth pedal feel, positive engagement, and rapid shifting capabilities.

Superior Performance for Street and Strip

The ACT Mod-Twin clutch kit utilizes a modular design featuring two 10.5-inch organic friction discs. This setup doubles the friction surface area, providing exceptional torque capacity and smooth, progressive engagement. The rigid disc design, combined with a solid Mono-Drive Chromoly hub, ensures quick and precise shifts, minimizing drivetrain lash and maximizing power transfer. The steel-backed friction plates are equipped with high-quality performance organic materials, delivering a stable friction coefficient and excellent heat capacity for extended clutch life.

  • Increased Torque Capacity: Dual organic friction discs handle significantly more power than stock clutches.
  • Smooth Pedal Feel: Exclusive four-stage heat-treated diaphragm spring ensures consistent and light pedal effort.
  • Positive Engagement: Rigid disc design and high-quality organic materials provide crisp and reliable clutch engagement.
  • Quick Shifting: Mono-Drive hub design minimizes drivetrain slop for faster gear changes.
  • Durable Construction: Heat-treated Chromoly hub extends input shaft life, while steel-backed plates ensure longevity.
  • Wide Vehicle Compatibility: Fits a broad range of GM vehicles with LS1, LS2, LS3, LS6, and LS7 engines.

ACT's commitment to rigorous testing and advanced manufacturing processes ensures that the Mod-Twin clutch kit delivers uncompromising performance and reliability. Whether you're cruising the streets or hitting the drag strip, this clutch provides the confidence and control you need. Upgrade your LS-powered vehicle with the performance and durability of ACT from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1998-2002 Chevrolet Camaro Z28
1998-2002 Chevrolet Camaro Z28 SS
2010-2015 Chevrolet Camaro SS
2014-2015 Chevrolet Camaro Z/28
1997-2013 Chevrolet Corvette Base
1998 Chevrolet Corvette Indianapolis 500 Pace Car
2001-2004 Chevrolet Corvette Z06
2003 Chevrolet Corvette 50th Anniversary Edition Pace Car
2006-2013 Chevrolet Corvette Z06
2008 Chevrolet Corvette 427 Limited Edition Z06
2010-2013 Chevrolet Corvette Grand Sport
2013 Chevrolet Corvette 427
1998-2002 Pontiac Firebird Formula
1998-2002 Pontiac Firebird Trans Am
2004-2006 Pontiac GTO Base

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