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ACT HD/Perf Street Sprung Kit Mazda Miata 1990-2005 - ZM2-HDSS

Upgrade Your Mazda Miata with the ACT ZM2-HDSS Clutch Kit

If you're a proud owner of a Mazda Miata from 1990-1997 or 1999-2005, you know that performance and reliability are key. The Advanced Clutch ZM2-HDSS Heavy Duty/Performance Street Sprung Kit is designed specifically for your ride, offering a robust solution that enhances your clutch performance without sacrificing daily drivability. This kit combines ACT's most popular heavy-duty pressure plate with a high-performance street disc, ensuring that you get the best of both worlds.

Why Choose the ZM2-HDSS?

The ZM2-HDSS features an exclusive diaphragm design that increases clamp load, reduces deflection, and maximizes clutch life. Each diaphragm undergoes a rigorous four-stage heat-treating process, ensuring you get unparalleled performance under pressure. With precision cover stampings, this pressure plate provides the rigidity and consistency you need for spirited driving.

ACT's Performance Street disc is crafted from premium organic materials with high copper content, allowing for superior heat transfer. The steel-backed lining enhances burst strength and durability, while the reduced marcel design promotes faster shift action—perfect for those who love to push their Miata to the limit.

Installation Made Easy

Ready to install? Check out the installation instructions here. Whether you're a seasoned DIYer or just getting started, you'll appreciate how straightforward the process is.

Key Features

  • Light to moderate pedal effort for a comfortable driving experience
  • Longer friction life thanks to ACT's exclusive diaphragm design
  • Engineered for both street and track use, ensuring reliability in any situation
  • 100% clamp load tested and dynamically balanced for high RPM reliability

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: 8.8 in (224 mm)
  • Disc Material: Organic
  • Input Spline Quantity: 22
  • Input Shaft Diameter: 0.9375 in
  • Alignment Tool Included: Yes
  • Disc Type: Sprung
  • Pressure Plate Bolts Included: No
  • Clutch Slave Cylinder Included: No
  • Flywheel Bolts Included: No
  • Pilot Bearing Included: Yes
  • Product Weight: 12.5 lbs
  • Torque Capacity: 245 ft/lbs
  • Torque Capacity Over OE: 0.36

Customer Feedback

One 1995 Miata owner shared, "After installing the ACT ZM2-HDSS, I noticed a significant improvement in my shifts. The engagement is smooth, and I can really feel the extra clamp load during spirited drives. It's perfect for both daily driving and weekend track days!"

Upgrade your Mazda Miata today with the ACT ZM2-HDSS kit and experience the difference in performance and reliability. Perfectly engineered for your specific model, this clutch kit is the upgrade your ride has been waiting for.

Other Part Numbers:
ACT #actZM2-HDSS

Proposition 65

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

Vehicle
1990-1997, 1999-2005
 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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