ACT ZM1-HDR4 Heavy Duty 4-Pad Rigid Race Clutch Kit — Fits 1990-1993 Mazda Miata

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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.

ACT ZM1-HDR4 Heavy Duty 4-Pad Rigid Race Clutch Kit for Mazda Miata (1990-1993)

Unleash the full potential of your Mazda Miata with the ACT ZM1-HDR4 Heavy Duty 4-Pad Rigid Race Clutch Kit. This kit features ACT's popular Heavy Duty pressure plate, utilizing an exclusive diaphragm design to increase clamp load, reduce deflection, and maximize clutch life. The diaphragms are subjected to a meticulous four-stage heat-treating process, ensuring consistent and unparalleled performance under strenuous conditions.

Aggressive Performance for Your Miata:

  • Heavy Duty Pressure Plate: Provides enhanced clamping force for superior power handling.
  • 4-Pad Rigid Race Disc: Constructed with high-quality ceramic friction materials and a heat-treated chrome-moly hub for exceptional strength and durability.
  • Lightweight Design: The rigid construction allows for quicker shifts and smooth, reliable service, ideal for performance driving.
  • Harsher Engagement: Delivers a more direct and aggressive engagement, suitable for track and spirited driving.
  • Optimized for Smaller Engines: Well-suited for the disc sizes typically found in smaller displacement engines like the Miata's.

The 4-pad rigid race disc is engineered for drivers who prioritize rapid gear changes and maximum power transfer. Its ceramic friction material offers excellent heat resistance, while the rigid design minimizes flex for crisp shifting performance. This clutch kit is a formidable upgrade for your 1990-1993 Mazda Miata, providing the durability and performance needed for demanding driving scenarios. Enhance your Miata's capabilities with this high-performance clutch from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1990-1993 Mazda Miata Base
1991 Mazda Miata SE
1993 Mazda Miata LE

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.

ACT ZM1-HDR4 Heavy Duty 4-Pad Rigid Race Clutch Kit for Mazda Miata (1990-1993)

Unleash the full potential of your Mazda Miata with the ACT ZM1-HDR4 Heavy Duty 4-Pad Rigid Race Clutch Kit. This kit features ACT's popular Heavy Duty pressure plate, utilizing an exclusive diaphragm design to increase clamp load, reduce deflection, and maximize clutch life. The diaphragms are subjected to a meticulous four-stage heat-treating process, ensuring consistent and unparalleled performance under strenuous conditions.

Aggressive Performance for Your Miata:

  • Heavy Duty Pressure Plate: Provides enhanced clamping force for superior power handling.
  • 4-Pad Rigid Race Disc: Constructed with high-quality ceramic friction materials and a heat-treated chrome-moly hub for exceptional strength and durability.
  • Lightweight Design: The rigid construction allows for quicker shifts and smooth, reliable service, ideal for performance driving.
  • Harsher Engagement: Delivers a more direct and aggressive engagement, suitable for track and spirited driving.
  • Optimized for Smaller Engines: Well-suited for the disc sizes typically found in smaller displacement engines like the Miata's.

The 4-pad rigid race disc is engineered for drivers who prioritize rapid gear changes and maximum power transfer. Its ceramic friction material offers excellent heat resistance, while the rigid design minimizes flex for crisp shifting performance. This clutch kit is a formidable upgrade for your 1990-1993 Mazda Miata, providing the durability and performance needed for demanding driving scenarios. Enhance your Miata's capabilities with this high-performance clutch from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1990-1993 Mazda Miata Base
1991 Mazda Miata SE
1993 Mazda Miata LE

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.

ACT ZM1-HDR4 Heavy Duty 4-Pad Rigid Race Clutch Kit for Mazda Miata (1990-1993)

Unleash the full potential of your Mazda Miata with the ACT ZM1-HDR4 Heavy Duty 4-Pad Rigid Race Clutch Kit. This kit features ACT's popular Heavy Duty pressure plate, utilizing an exclusive diaphragm design to increase clamp load, reduce deflection, and maximize clutch life. The diaphragms are subjected to a meticulous four-stage heat-treating process, ensuring consistent and unparalleled performance under strenuous conditions.

Aggressive Performance for Your Miata:

  • Heavy Duty Pressure Plate: Provides enhanced clamping force for superior power handling.
  • 4-Pad Rigid Race Disc: Constructed with high-quality ceramic friction materials and a heat-treated chrome-moly hub for exceptional strength and durability.
  • Lightweight Design: The rigid construction allows for quicker shifts and smooth, reliable service, ideal for performance driving.
  • Harsher Engagement: Delivers a more direct and aggressive engagement, suitable for track and spirited driving.
  • Optimized for Smaller Engines: Well-suited for the disc sizes typically found in smaller displacement engines like the Miata's.

The 4-pad rigid race disc is engineered for drivers who prioritize rapid gear changes and maximum power transfer. Its ceramic friction material offers excellent heat resistance, while the rigid design minimizes flex for crisp shifting performance. This clutch kit is a formidable upgrade for your 1990-1993 Mazda Miata, providing the durability and performance needed for demanding driving scenarios. Enhance your Miata's capabilities with this high-performance clutch from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1990-1993 Mazda Miata Base
1991 Mazda Miata SE
1993 Mazda Miata LE

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