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ACT HD/Race Rigid 6 Pad Kit Ford Probe | Mazda 626 | Mazda MX-6 1988-1992 - Z64-HDR6

ACT Z64-HDR6 Heavy Duty/Race Rigid 6 Pad Kit

The ACT Z64-HDR6 is engineered for those who demand exceptional performance from their clutch system. This kit features ACT's popular Heavy Duty pressure plate, designed with an exclusive diaphragm mechanism that enhances clamp load while minimizing deflection. This design not only extends the lifespan of the clutch but also ensures consistent performance under extreme conditions.

Construction and Materials

The pressure plates undergo a rigorous four-stage heat-treating process, resulting in superior durability and performance. Precision cover stampings are utilized to maintain rigidity and consistency throughout operation. The 6-pad rigid race discs are constructed from high-quality ceramic friction materials, providing excellent heat resistance and performance capabilities. A chrome-moly hub, also heat-treated, ensures strength and longevity.

Performance Characteristics

With its lightweight and rigid design, the Z64-HDR6 allows for quicker shifts and seamless operation. While the engagement is more aggressive, resulting in increased gear rattle, the trade-off is faster shifting speeds. This 6-pad rigid race disc is optimal for larger clutch sizes, providing enhanced heat absorption for demanding applications.

Installation Notes

For detailed installation instructions, follow this link.

Key Features

  • Light to moderate pedal effort with aggressive engagement
  • Moderate friction life, extended by ACT's diaphragm design
  • Precision-engineered for high heat tolerance and maximum performance
  • Recommended for race use only
  • 100% clamp load tested and dynamically balanced for reliability at high RPMs

Specifications

  • Clutch Disc Diameter: 9.4 in (240 mm)
  • Disc Material: Ceramic
  • Input Spline Quantity: 23
  • Input Shaft Diameter: 1 in
  • Disc Type: Solid
  • Product Weight: 14.9 lbs
  • Torque Capacity: 420 ft/lbs
  • Torque Capacity Over OE: 0.72

Fitment

Confirmed fitment for the following models:

  • Ford Probe (1989-1992)
  • Mazda 626 (1988-1991)
  • Mazda MX-6 (1988-1992)

Other Part Numbers:
ACT #actZ64-HDR6

Proposition 65

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

Vehicle
1989-1992
 Ford Probe
1988-1991
 Mazda 626
1988-1992
 Mazda MX-6

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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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