• ACT Heavy Duty Race Sprung 4 Pad Clutch Kit | Mazda MX-5 Miata ND (16-18) (ZM10-HDG4)
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ACT Heavy Duty Race Sprung 4 Pad Clutch Kit | Mazda MX-5 Miata ND (16-18) (ZM10-HDG4)

ACT Heavy Duty Race Sprung 4 Pad Clutch Kit | Mazda MX-5 Miata ND (16-18) (ZM10-HDG4)

ZM10-HDG4

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The ACT Heavy Duty Race Sprung 4 Pad Clutch Kit for the Mazda MX-5 Miata ND (2016-2018) is a high-performance clutch assembly designed for demanding driving conditions. It features ACT's most popular Heavy Duty pressure plate combined with a 4-pad, spring-centered race disc, providing enhanced holding capacity and durability. The pressure plate employs an exclusive diaphragm design that increases clamp load, reduces deflection, and extends clutch life. All components undergo a four-stage heat-treating process to ensure maximum performance and longevity. Precision cover stampings contribute to the rigidity and consistency of the assembly, making it suitable for aggressive street use or track days.

This clutch kit is specifically engineered for 2016-2018 Mazda MX-5 Miata models, offering a direct replacement for stock components. It is ideal for enthusiasts seeking improved performance, increased torque capacity, and reliable engagement during spirited driving or racing. The kit includes the heavy-duty pressure plate and the 4-pad spring-centered race disc, designed for bolt-on installation with compatible OEM or aftermarket flywheels. Suitable for street, track, or light competition use, this clutch assembly enhances overall drivetrain performance while maintaining drivability and pedal feel.

Overview

Heavy Duty / Race 4-Pad Sprung Clutch Kit by ACT

ZM10-HDG4 kit features ACT's most popular Heavy Duty pressure plate and their 4-pad, spring-centered race disc.

CT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency.

ACT's 4-pad spring-centered race disc features a spring-center to properly damp torsional vibrations for quieter operation and resist failure even under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support, reduce stress concentrations, and increase strength and reliability. With the 4-pad spring-centered race disc, engagement is harsher, but shifting is faster. ACT's 4-pad spring-centered race disc is well-suited for smaller disc sizes in smaller engines.

Features

  • Feel - Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle
  • Life - Moderate friction life, extended by ACT's exclusive diaphragm design
  • Quality - Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance
  • Recommended Use - Recommended for high horsepower street or race use
  • ACT Difference - 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability

Please Note: 225mm upgrade. Must use ACT flywheel (included in kit).

Applications

  • 2016 - 2018 Mazda MX-5 Miata (ND)

Specifications

  • Torque Capacity (ft/lbs.): 399
  • Torque Capacity Over OE: 87%
  • Spline Count: 22
  • Spline Size (in.): 15/16
  • Disc Diameter (in/mm): 8.8/224
  • Product Weight (lbs.): 26.8

What's In The Box?

  • 1 - Heavy Duty Pressure Plate
  • 1 - 4-Pad Sprung Race Disc
  • 1 - ACT Flywheel
  • 1 - Release Bearing
  • 1 - Pilot Bearing
  • 1 - Alignment Tool

References

Warranty

  • ACT 1 Year Limited Warranty
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