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ACT 19-25 Mazda MX-5 Miata HD/Perf Street Rigid Clutch Kit - view 1
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ACT 19-25 Mazda MX-5 Miata HD/Perf Street Rigid Clutch Kit

ACT
ACTZM15-HDSD
842385028084
Clutch Kits - Single
Out of stock
$ 587.00 $ 475.00

steps up holding capacity for the ND2 Miata while keeping engagement manageable for daily street driving. This kit pairs a Heavy Duty pressure plate with a rigid full-face performance disc, delivering a 46 to 87 percent increase in torque capacity over the factory clutch depending on the specific build. Unlike a sprung race disc, the ZM15-HDSD's rigid hub is built for street and light performance use, giving a more direct.

Key Features

  • ZM15-HDSD combines a Heavy Duty pressure plate with a rigid performance disc for increased torque capacity
  • 46 to 87 percent increase in torque holding capacity over the stock ND2 Miata clutch
  • Rigid hub design for a direct pedal feel in street and performance driving
  • Includes a chromoly XACT Streetlite flywheel matched to the ZM15-HDSD kit
  • Positioned for daily-driven and lightly modified ND2 Miata builds
  • Exact ACT manufacturer part number ZM15-HDSD for confident product matching

Fitment

Years Make Model Application
2020 Mazda MX-5 Miata 100th Anniversary SE
2025 Mazda MX-5 Miata 35th Anniversary
2019-2025 Mazda MX-5 Miata Club
2019-2025 Mazda MX-5 Miata Grand Touring
2020 Mazda MX-5 Miata RF 100th Anniversary SE
2019-2025 Mazda MX-5 Miata RF Club
2019-2025 Mazda MX-5 Miata RF Grand Touring
2019-2025 Mazda MX-5 Miata Sport

Vehicle fitment is a starting point. Confirm every drivetrain specification and the exact ACT part number before installation.

Specifications

MPN ZM15-HDSD
Design Heavy Duty pressure plate, rigid performance street disc
Hub Type Rigid
Torque Capacity Increase 46 to 87 percent over stock
Flywheel Included Chromoly XACT Streetlite
Platform ND2 Miata
Brand ACT
Manufacturer Part Number ZM15-HDSD
Product Type Clutch Kits - Single
Condition New

What's Included

The exact ACT clutch kits - single and quantity identified by the product title and MPN. Bearings, alignment tools, flywheel bolts, pressure-plate bolts, hydraulic parts, and related hardware are included only when specifically stated.

About ACT

ACT develops application-specific clutch kits, friction discs, pressure plates, flywheels, bearings, and supporting drivetrain components for street and motorsport use. Black Ops Auto Works organizes every ACT listing by exact MPN and verified vehicle application.

Related Parts

Frequently Asked Questions

What is ACT part ZM15-HDSD?
It is the clutch kits - single described on this page in the exact listed configuration.

How do I confirm fitment?
Match the exact MPN plus year, make, model, trim, engine, transmission, drivetrain, and every application note.

Can I choose a clutch component by vehicle alone?
No. Clutch diameter, input-shaft spline, flywheel step, release system, engine code, and transmission can vary within one vehicle listing.

What is included?
Only the ACT components and quantity identified by this exact title and MPN are included. Related hardware or drivetrain parts may be separate.

Is break-in required?
Follow the current ACT instructions for the exact friction material and kit. Street clutch assemblies commonly require a controlled break-in period before full-load use.

Is professional installation recommended?
Yes. Clutch and flywheel work requires transmission removal, correct fastener procedures, alignment, release-system setup, and final operational checks.

Is this product new?
Yes. The item condition is new unless the product page explicitly states otherwise.

What should I verify before checkout?
Confirm the MPN, application, torque requirement, friction material, spline and diameter, flywheel compatibility, included items, and required hardware.

Installation Instructions

  1. Confirm ACT part ZM15-HDSD and the complete engine, transmission, flywheel, spline, and release-system application before disassembly.
  2. Inspect every component and compare the new part with the removed assembly before modifying or installing anything.
  3. Inspect the flywheel or friction surface, pilot support, release bearing, fork, pivot, hydraulic system, seals, and mounting hardware.
  4. Clean friction surfaces correctly and keep oil, grease, and fingerprints away from the clutch disc and mating faces.
  5. Use the vehicle service procedure and current ACT instructions for alignment, fasteners, torque sequence, release travel, and clearances.
  6. Verify smooth release, correct free play, clean gear engagement, and leak-free operation before road use.
  7. Complete the manufacturer-specified break-in procedure before launches, dyno pulls, racing, towing, or full-torque operation.

California Proposition 65 Warning

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.

Request For Information

Have questions about ACT 19-25 Mazda MX-5 Miata HD/Perf Street Rigid Clutch Kit? Fill out the form below and we'll get back to you by the next business day.
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