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ACT HD/Race Rigid 6 Pad Kit Mazda Miata 2006-2015 - ZM5-HDR6

Advanced Clutch Technology ZM5-HDR6 Heavy Duty/Race Rigid 6 Pad Kit

The ACT ZM5-HDR6 Heavy Duty/Race Rigid 6 Pad Kit is engineered for performance-driven applications, designed specifically for the Mazda Miata from 2006 to 2015. This kit features ACT's renowned Heavy Duty pressure plate, which employs a unique diaphragm design to enhance clamp load, minimize deflection, and extend clutch longevity.

Key Features

  • Exclusive diaphragm design increases clamp load and reduces deflection.
  • Precision cover stampings ensure rigidity and consistency under high stress.
  • 6-pad rigid race discs constructed from high-quality ceramic friction materials.
  • Heat-treated chrome-moly hub for enhanced strength and durability.
  • Lightweight design facilitates quicker shifts and smooth operation.

Performance Characteristics

The engagement characteristics of the ZM5-HDR6 are more aggressive, providing faster shifting at the cost of increased pedal effort and gear rattle. This kit is recommended for race applications, particularly where higher torque capacities are required, with a torque capacity of 359 ft/lbs. The 6-pad rigid design allows for improved heat absorption, making it suitable for larger clutch sizes.

Specifications

  • Clutch Disc Diameter: 8.8 in (224 mm)
  • Disc Material: Ceramic
  • Input Spline Quantity: 22
  • Input Shaft Diameter: 0.9375 in
  • Weight: 12.5 lbs
  • Torque Capacity Over OE: 0.71
  • Pressure Plate Type: Heavy Duty

Installation Notes

  • 5-speed applications only; pressure plate bolts (M8-1.25 x 20mm) are included.
  • Refer to the installation instructions for detailed guidance.

The ACT ZM5-HDR6 kit is a robust choice for those looking to enhance their Mazda Miata's clutch performance, ensuring reliability and responsiveness on the track or during spirited driving.

Other Part Numbers:
ACT #actZM5-HDR6

Proposition 65

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

Vehicle
2006-2015
 Mazda Miata

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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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