ACT HD/Race Sprung 6 Pad Kit Mazda Miata 1990-1993

$665.00

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Model#ZM1-HDG6
ManufacturerACT

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ACT Advanced Clutch HD/Race Sprung 6 Pad Kit ZM1-HDG6

If you own a 1990-1993 Mazda Miata, the ACT ZM1-HDG6 is a clutch upgrade you won't want to overlook. This kit features ACT's renowned Heavy Duty pressure plate, designed specifically for those who demand performance without compromise. With its exclusive diaphragm design, this pressure plate increases clamp load, reduces deflection, and maximizes clutch life, making it a reliable choice for both spirited driving and track days.

Performance Features

Light to moderate pedal effort, offering aggressive engagement with a bit of gear rattle.
Moderate friction life, enhanced by ACT's unique diaphragm design for longevity.
Engineered with precision and accuracy, utilizing select ceramic friction materials that handle high heat, ensuring maximum performance.
Ideal for high horsepower street and race applications.
100% clamp load tested and dynamically balanced for smooth operation at high RPMs.

Technical Specifications

Clutch Master Cylinder Included: No
Grease Included: Yes
Grade Type: Performance
Pilot Bushing Included: No
Pressure Plate Type: Heavy Duty
Release Bearing Included: Yes
Clutch Disc Diameter: 7.9 in (200 mm)
Disc Material: Ceramic
Input Spline Quantity: 22
Input Shaft Diameter: 0.9375 in
Alignment Tool Included: Yes
Disc Type: Sprung Solid
Pressure Plate Bolts Included: No
Clutch Slave Cylinder Included: No
Flywheel Bolts Included: No
Pilot Bearing Included: Yes
Product Weight: 11.7 lbs
Torque Capacity: 250 ft/lbs (0.86 over OE)

Installation Notes

Must be used with the factory flywheel for optimal performance.
For detailed installation instructions, CLICK HERE.

Real-World Fitment

Miata owners have experienced significant improvements in their driving dynamics with the ACT ZM1-HDG6. One owner noted, "After installing this clutch, my shifts are quicker and more precise. It handles the power of my turbo setup with ease, and the engagement is just right for both street and track." This clutch kit is built to withstand the demands of performance driving while providing the reliability you need on the road.

Other Part Numbers:
ACT #actZM1-HDG6

Proposition 65

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

Make Vehicle	Model	Year
1990-1993 Mazda Miata	Miata	1990-1993

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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.