ACT HD/Race Rigid 4 Pad Clutch Kit — Fits 1990-2005 Mazda Miata

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SKU: ACTZM2-HDR4
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

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ACT ZM2-HDR4 HD/Race Rigid 4 Pad Clutch Kit for Mazda Miata (1990-2005)

Elevate your Mazda Miata's performance with the ACT ZM2-HDR4 Heavy Duty/Race Rigid 4 Pad Clutch Kit. Engineered for demanding drivers, this kit combines ACT's renowned Heavy Duty pressure plate with a high-performance 4-pad rigid race disc, designed to withstand extreme conditions and deliver rapid engagement.

Key Features:

  • Heavy Duty Pressure Plate: Features ACT's exclusive diaphragm design for increased clamp load, reduced deflection, and extended clutch life. Each diaphragm undergoes a rigorous four-stage heat-treating process for superior performance and durability.
  • 4-Pad Rigid Race Disc: Constructed with premium ceramic friction materials and a heat-treated chrome-moly hub for exceptional strength. The lightweight, rigid design facilitates quicker shifts and smooth, reliable service, making it ideal for racing applications.
  • Optimized for Performance: While offering harsher engagement, this disc ensures faster shifting, perfect for competitive driving scenarios. Its design is particularly well-suited for the smaller disc sizes found in Miata engines.
  • Broad Fitment: Designed to fit a wide range of Mazda Miata models from 1990 to 2005, including Base, SE, LE, M Edition, LS, 10th Anniversary, Mazdaspeed, and STO trims.

This clutch kit is built for drivers who demand the utmost in performance and reliability. Experience the difference that precision engineering makes. Get your ACT ZM2-HDR4 clutch kit today and unleash your Miata's full potential.

For the ultimate in drivetrain upgrades, trust GGCRACING.

Vehicle Fitment

Years Make Model Trim
1990-1997 Mazda Miata Base
1991 Mazda Miata SE
1993 Mazda Miata LE
1994-1997 Mazda Miata M Edition
1997 Mazda Miata STO
1999 Mazda Miata 10th Anniversary
1999-2005 Mazda Miata Base
2000-2003 Mazda Miata SE
2000-2005 Mazda Miata LS
2004-2005 Mazda Miata Mazdaspeed

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACT ZM2-HDR4 HD/Race Rigid 4 Pad Clutch Kit for Mazda Miata (1990-2005)

Elevate your Mazda Miata's performance with the ACT ZM2-HDR4 Heavy Duty/Race Rigid 4 Pad Clutch Kit. Engineered for demanding drivers, this kit combines ACT's renowned Heavy Duty pressure plate with a high-performance 4-pad rigid race disc, designed to withstand extreme conditions and deliver rapid engagement.

Key Features:

  • Heavy Duty Pressure Plate: Features ACT's exclusive diaphragm design for increased clamp load, reduced deflection, and extended clutch life. Each diaphragm undergoes a rigorous four-stage heat-treating process for superior performance and durability.
  • 4-Pad Rigid Race Disc: Constructed with premium ceramic friction materials and a heat-treated chrome-moly hub for exceptional strength. The lightweight, rigid design facilitates quicker shifts and smooth, reliable service, making it ideal for racing applications.
  • Optimized for Performance: While offering harsher engagement, this disc ensures faster shifting, perfect for competitive driving scenarios. Its design is particularly well-suited for the smaller disc sizes found in Miata engines.
  • Broad Fitment: Designed to fit a wide range of Mazda Miata models from 1990 to 2005, including Base, SE, LE, M Edition, LS, 10th Anniversary, Mazdaspeed, and STO trims.

This clutch kit is built for drivers who demand the utmost in performance and reliability. Experience the difference that precision engineering makes. Get your ACT ZM2-HDR4 clutch kit today and unleash your Miata's full potential.

For the ultimate in drivetrain upgrades, trust GGCRACING.

Vehicle Fitment

Years Make Model Trim
1990-1997 Mazda Miata Base
1991 Mazda Miata SE
1993 Mazda Miata LE
1994-1997 Mazda Miata M Edition
1997 Mazda Miata STO
1999 Mazda Miata 10th Anniversary
1999-2005 Mazda Miata Base
2000-2003 Mazda Miata SE
2000-2005 Mazda Miata LS
2004-2005 Mazda Miata Mazdaspeed

Product Details

Product Description

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACT ZM2-HDR4 HD/Race Rigid 4 Pad Clutch Kit for Mazda Miata (1990-2005)

Elevate your Mazda Miata's performance with the ACT ZM2-HDR4 Heavy Duty/Race Rigid 4 Pad Clutch Kit. Engineered for demanding drivers, this kit combines ACT's renowned Heavy Duty pressure plate with a high-performance 4-pad rigid race disc, designed to withstand extreme conditions and deliver rapid engagement.

Key Features:

  • Heavy Duty Pressure Plate: Features ACT's exclusive diaphragm design for increased clamp load, reduced deflection, and extended clutch life. Each diaphragm undergoes a rigorous four-stage heat-treating process for superior performance and durability.
  • 4-Pad Rigid Race Disc: Constructed with premium ceramic friction materials and a heat-treated chrome-moly hub for exceptional strength. The lightweight, rigid design facilitates quicker shifts and smooth, reliable service, making it ideal for racing applications.
  • Optimized for Performance: While offering harsher engagement, this disc ensures faster shifting, perfect for competitive driving scenarios. Its design is particularly well-suited for the smaller disc sizes found in Miata engines.
  • Broad Fitment: Designed to fit a wide range of Mazda Miata models from 1990 to 2005, including Base, SE, LE, M Edition, LS, 10th Anniversary, Mazdaspeed, and STO trims.

This clutch kit is built for drivers who demand the utmost in performance and reliability. Experience the difference that precision engineering makes. Get your ACT ZM2-HDR4 clutch kit today and unleash your Miata's full potential.

For the ultimate in drivetrain upgrades, trust GGCRACING.

Vehicle Fitment

Years Make Model Trim
1990-1997 Mazda Miata Base
1991 Mazda Miata SE
1993 Mazda Miata LE
1994-1997 Mazda Miata M Edition
1997 Mazda Miata STO
1999 Mazda Miata 10th Anniversary
1999-2005 Mazda Miata Base
2000-2003 Mazda Miata SE
2000-2005 Mazda Miata LS
2004-2005 Mazda Miata Mazdaspeed

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