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  See more parts for Porsche 964
Select the year of your Porsche 964:
ACT 4 Pad Rigid Race Disc Porsche 964 | 993 C2/C4 | 993 Targa | 993 Turbo 1991-1998 - 4240031
ACT 4 Pad Rigid Race Disc Porsche 964 | 993 C2/C4 | 993 Targa | 993 Turbo 1991-1998 - 4240031 - Image 3 ACT 4 Pad Rigid Race Disc Porsche 964 | 993 C2/C4 | 993 Targa | 993 Turbo 1991-1998 - 4240031 - Image 2 ACT 4 Pad Rigid Race Disc Porsche 964 | 993 C2/C4 | 993 Targa | 993 Turbo 1991-1998 - 4240031 - Image 3

ACT 4240031 4 Pad Rigid Race Disc

If you're serious about performance and precision in your Porsche, the ACT 4240031 4 Pad Rigid Race Disc is a must-have upgrade. Designed specifically for enthusiasts who push their vehicles to the limit, this race disc utilizes high-quality ceramic friction materials that deliver aggressive engagement and rapid shifts. While the engagement is harsher compared to stock components, the trade-off is lightning-fast gear changes that can make all the difference on the track.

Fitment

This race disc is tailored for the following Porsche models:

  • Porsche 964 (1991-1994)
  • Porsche 993 C2/C4 (1994-1998)
  • Porsche 993 Targa (1996-1998)
  • Porsche 993 Turbo (1996-1997)

Features

  • Aggressive engagement for the quickest shifts and increased gear rattle
  • Premium ceramic friction materials ensure moderate wear rates and high heat tolerance
  • Lightweight rigid design with a heat-treated chromoly hub for enhanced strength
  • Engineered for race use, providing high burst strength and holding 28% more torque than typical organic materials

Technical Specifications

  • Diameter: 9.4 in (240 mm)
  • Spline Quantity: 23
  • Grade Type: Performance
  • Friction Plate: No
  • Disc Material: Ceramic
  • Splined Bore Diameter: 1 in
  • Disc Type: Solid
  • Product Weight: 2 lbs
  • SFI Rating: 1.1

Installation Instructions

Ready to install? For detailed installation instructions, CLICK HERE.

Customer Feedback

Porsche 993 Turbo owners have reported that after installing the ACT 4240031, they experienced significantly quicker shifts, enhancing their track performance. One owner noted, "The engagement is definitely aggressive, but it transformed my shifting experience on the track. No more missed gears!"

Other Part Numbers:
ACT #act4240031

Proposition 65

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

Vehicle
1991-1994
 Porsche 964
1994-1998
 Porsche 993 C2/C4
1996-1998
 Porsche 993 Targa
1996-1997
 Porsche 993 Turbo

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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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