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ACT HD/Perf Street Rigid Kit Porsche 964 | 993 1991-1998
$1064.00
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If you're serious about your Porsche's performance, you might want to take a closer look at the ACT Heavy Duty/Performance Street Rigid Kit PO1-HDSD. This isn't just another clutch kit; it's built for those who want to push their ride to the limit while still keeping it street-friendly. The heart of this kit is ACT's Heavy Duty pressure plate, which is pretty much their best-seller for a reason. With a unique diaphragm design, it cranks up the clamp load, cuts down on deflection, and helps your clutch last longer. Seriously, these pressure plates go through a four-stage heat-treating process, which means they’re tough and ready for action.

The performance street rigid-hub discs are where things get really interesting. They're made from premium organic materials that have a high copper content, so you get better heat transfer when you're really pushing it. Plus, the steel-backed lining gives you that extra burst strength and durability you need on the street or track. And let’s not forget about the chrome-moly hub, which is heat-treated for added strength. This clutch disc is designed to be lightweight, meaning quicker shifts and a more responsive driving experience. You get race-ready performance without sacrificing daily drivability.

Installation is straightforward, but if you want a little guidance, you can check out the installation instructions here.

Here’s what you can expect:

  • Light to moderate pedal effort, which means you won’t be straining your leg during those long drives.
  • Smooth engagement with a bit of gear rattle—just enough to remind you that you’re driving something special.
  • Longer friction life thanks to that clever diaphragm design, although keep in mind the rigid setup may wear the splines a bit faster.
  • Engineered for both street and race use, so you can take it from the highway to the track without missing a beat.
  • Every kit is 100% clamp load tested and dynamically balanced for reliability at high RPMs.

Specifications:

  • Clutch Master Cylinder: Not included
  • Grease: Yes, it’s included
  • Grade Type: Performance
  • Flywheel: Not included
  • Pilot Bushing: Not included
  • Pressure Plate Type: Heavy Duty
  • Release Bearing: Included
  • Clutch Disc Diameter: 9.4 in (240 mm)
  • Disc Material: Organic
  • Input Spline Quantity: 23
  • Input Shaft Diameter: 1 in
  • Alignment Tool: Included
  • Disc Type: Sprung Solid
  • Pressure Plate Bolts: Not included
  • Clutch Slave Cylinder: Not included
  • Flywheel Bolts: Not included
  • Pilot Bearing: Not included
  • Product Weight: 13.8 lbs
  • Torque Capacity: 690 ft/lbs
  • Torque Capacity Over OE: 0.3

Fits:

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

In short, if you want a clutch kit that’s tough, reliable, and ready for both the street and the track, this ACT kit has got your back. It’s built to perform, and you’ll feel the difference the moment you hit the gas.

Other Part Numbers:
ACT #actPO1-HDSD

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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