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  See more parts for Chevrolet Cobalt
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ACT HD/Race Sprung 4 Pad Kit Chevrolet Cobalt 2005-2010 - GM11-HDG4

ACT GM11-HDG4 Heavy Duty/Race Sprung 4 Pad Kit

The ACT GM11-HDG4 is engineered for performance-driven applications, featuring a Heavy Duty pressure plate that stands out in the market. This kit is designed to enhance clutch performance in demanding environments, making it ideal for both street and race use.

Key Features

  • Heavy Duty pressure plate with exclusive diaphragm design for increased clamp load and reduced deflection.
  • Four-stage heat treatment process on diaphragms for improved durability and performance.
  • Precision cover stampings ensure rigidity and consistency during operation.
  • 4-pad spring-centered race disc effectively dampens torsional vibrations, minimizing noise and enhancing reliability.
  • Robust spring retainers with wraparound spring windows to support springs and improve strength.

Specifications

  • Clutch Disc Diameter: 9 inches (228 mm)
  • Disc Material: Ceramic for high heat tolerance
  • Input Spline Quantity: 14
  • Input Shaft Diameter: 1 inch
  • Torque Capacity: 443 ft/lbs, offering a 0.71 increase over OE
  • Product Weight: 22.4 lbs
  • Flywheel Type: Prolite (included in kit)

Installation Notes

  • Installation requires the use of the ACT flywheel included in the kit.
  • Grease is included to ensure proper installation and operation.
  • Alignment tool is provided for precise installation.
  • For detailed installation instructions, CLICK HERE.

Performance Characteristics

  • Light to moderate pedal effort with aggressive engagement; may produce mild gear rattle.
  • Moderate friction life, extended by ACT's unique diaphragm design.
  • Engineered for high horsepower applications, ensuring reliable performance under stress.
  • Each unit is 100% clamp load tested and dynamically balanced for smooth operation at high RPMs.

This clutch kit is specifically compatible with the Chevrolet Cobalt from 2005 to 2010, making it a solid choice for those looking to upgrade their vehicle's clutch system. With its robust construction and performance-oriented features, the ACT GM11-HDG4 is an excellent addition for enthusiasts seeking reliability and efficiency in high-demand scenarios.

Other Part Numbers:
ACT #actGM11-HDG4

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Chevrolet Cobalt 2005-2010 LS
Chevrolet Cobalt 2005, 2010 Base
Chevrolet Cobalt 2005-2010 SS
Chevrolet Cobalt 2005-2010 LT
Chevrolet Cobalt 2006-2007 LTZ
Chevrolet Cobalt 2008 Sport
Chevrolet Cobalt 2010 LT Team Canada

ACT Banner

ACT ? Advanced Clutch Technology | Clutch Kits & Flywheels Built to Handle Real Power

If you've added boost, tuned for more power, or simply want better throttle control, then your stock clutch won't cut it. That?s where ACT (Advanced Clutch Technology) comes in delivering high-performance clutch kits and flywheels designed for real drivers who push their builds on the street, strip, or track.

ACT?s lineup includes everything from daily driver friendly HD kits to hardcore twin disc setups for serious horsepower. Whether you?re launching hard in a WRX, drifting in a 370Z, or canyon carving in an M3, ACT gives you the torque capacity and engagement you need without sacrificing drivability.

Why ACT? Because Power Without Control Is Useless.
  • Hold More Power Engineered to handle turbo, supercharger, and high-compression builds
  • Faster Engagement Stronger pressure plates for better bite off the line
  • Better Pedal Feel Balanced response without going full race-car stiff
  • Reduced Rotational Mass Lightweight flywheels improve rev-matching and response
  • No Guesswork Direct-fit applications, no fabbing, no hassle
ACT Clutch Kits and Flywheels Fit the Cars Enthusiasts Build

ACT doesn?t just make universal performance parts ? they build complete, vehicle-specific clutch solutions for enthusiast favorites. Whether you daily a Civic Type R, track a Subaru STI, drift a 240SX, or drag a Mustang GT, ACT offers the right clutch to match your build goals.

Top supported platforms include the Nissan 350Z/370Z, Toyota Supra A90, Chevy Camaro SS/ZL1, Mitsubishi Evo, Ford Focus RS/ST, and BMW M3/M4 ? each with clutch options tuned to your driving needs.

What ACT Offers:
  • Performance Clutch Kits From HD street kits to twin-disc race systems
  • Clutch Discs 6-puck, full-face, rigid or sprung to match your style
  • Pressure Plates Heavy-duty options that increase clamp load without sacrificing control
  • Chromoly Lightweight Flywheels Quicker revs, smoother shifts, and less drivetrain stress
  • Complete Hardware Kits Everything you need for a proper install
Performance Tested. Driver Approved.

ACT isn?t hype ? it?s proven. Their clutches are SFI-certified, track-tested, and used by racers in drag, time attack, autocross, drift, and rally. But what really matters? They hold power, last longer, and feel right even after hundreds of hard launches or hours of canyon carving.

Whether you're upgrading for more power or replacing a tired OEM clutch, ACT gives you the bite, strength, and feel to drive harder with confidence. No compromises, no excuses just parts that work when it matters.

ACT warrants all products to be free of defects in materials and workmanship for normal use and service for a period of one (1) year from retail purchase. Written notice must be immediately given to ACT within the warranty period. We require a copy of the purchase receipt showing the unit was purchased from an Authorized Dealer or Advanced Clutch Technology directly to verify the product is under warranty. Products purchased used do not carry a warranty. This warranty is to the original purchaser and is non-transferable. All non-warranty items are subject to a $50 inspection bench test fee.

ACT reserves the right to examine any part returned for warranty claim to determine, to ACT's satisfaction, whether the material or workmanship of the part does not conform to this limited warranty. ACT's obligation under this warranty shall be limited to repairing, replacing, or crediting, at its option, any part which is deemed covered by ACT. No labor, lift or storage charges will be reimbursed for any reason. Damage to ACT's parts resulting from misuse, improper use, or abuse shall void this limited warranty. Failure to follow ACT's installation instructions and the vehicle manufacturers installation procedures and specifications shall void this limited warranty.

ACT undertakes no responsibility for the quality of the goods except as otherwise provided in this contract. ACT assumes no responsibility that the goods will be fit for any particular purpose for which you may be buying these goods, except as otherwise provided in the contract. ACT shall not be liable for any damage or injury to persons or property resulting from improper installation or misuse of any part subject to this warranty.

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