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  See more parts for Mazda MX-5
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ACT HD/Race Sprung 4 Pad Kit Mazda Miata 2016-2019 - ZM10-HDG4

ACT ZM10-HDG4 Heavy Duty Clutch Kit for 2016-2019 Mazda Miata

If you're a Mazda Miata owner looking to enhance your driving experience, the ACT ZM10-HDG4 Heavy Duty Clutch Kit is a must-have upgrade. Designed specifically for the 2016-2019 Miata, this kit features ACT's renowned Heavy Duty pressure plate, engineered to deliver superior performance and longevity on both the street and track.

Performance Features

  • Exclusive diaphragm design increases clamp load and reduces deflection, maximizing clutch life.
  • Four-stage heat-treated diaphragms ensure unmatched performance under pressure.
  • Precision cover stampings provide rigidity and consistency, essential for high RPM reliability.
  • Spring-centered race disc dampens torsional vibrations, promoting quieter operation while resisting failure in harsh conditions.
  • 4-pad design offers aggressive engagement for faster shifting, perfect for spirited driving.

Installation and Compatibility

This kit is tailored for the 2016-2019 Mazda Miata and requires the included ACT flywheel for optimal performance. Be sure to check the installation instructions here for a seamless install.

Specifications

  • Clutch Disc Diameter: 8.8 in (224 mm)
  • Torque Capacity: 399 ft/lbs (0.87 over OE)
  • Input Spline Quantity: 22
  • Input Shaft Diameter: 0.9375 in
  • Disc Material: Ceramic
  • Pressure Plate Type: Heavy Duty
  • Weight: 26.8 lbs

Customer Feedback

One Miata owner shared, "After installing the ACT ZM10-HDG4, I noticed a significant improvement in shifting response. The engagement is definitely more aggressive, but that just means I can shift faster during spirited drives. It's a perfect match for my setup!"

Notes

  • This kit is a 225mm upgrade and includes pressure plate bolts (M8-1.25 x 20mm).
  • Clutch Master Cylinder and Clutch Slave Cylinder are not included.

Upgrade your Miata's clutch system with the ACT ZM10-HDG4 kit and experience the difference in performance. Whether you're hitting the track or enjoying a weekend drive, this clutch kit is engineered to meet the demands of high horsepower applications.

Other Part Numbers:
ACT #actZM10-HDG4

Proposition 65

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

Vehicle Make/Model
Mazda MX-5 2016, 2018-2019 I Sport
Mazda MX-5 2017 Base
Mazda MX-5 2018-2019 i Grand Touring
Mazda MX-5 Miata 2016-2019 GT
Mazda MX-5 Miata 2016-2019 Club
Mazda MX-5 Miata 2016-2019 GS
Mazda MX-5 Miata 2016-2019 Grand Touring
Mazda MX-5 Miata 2016-2018 GX
Mazda MX-5 Miata 2016-2019 Sport
Mazda MX-5 Miata 2017-2019 RF Club
Mazda MX-5 Miata 2017-2019 RF GT
Mazda MX-5 Miata 2017-2018 RF GS
Mazda MX-5 Miata 2017-2019 RF Grand Touring
Mazda MX-5 Miata 2019 GS-P
Mazda MX-5 Miata 2019 RF GS-P

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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