ACT 16-18 Mazda MX-5 Miata HD/Race Heavy Duty 6 Pad Sprung Clutch Kit

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SKU: ACTZM12-HDG6
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ZM12-HDG6 kit features ACT's most popular Heavy Duty pressure plate. ...Read More

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Sale price$629.99 Regular price$776.00
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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
ZM12-HDG6 kit features ACT's most popular Heavy Duty pressure plate. ACT 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 6-pad, spring-centered race disc features a spring-center to properly damp torsional vibrations and resist failure 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 6-pad, spring-centered race disc, engagement is harsher, but shifting is faster. The 6-pad, spring-centered disc is recommended for larger clutch sizes to absorb more heat.

This Part Fits:

Year Make Model Submodel
2016-2018 Mazda MX-5 Miata Club
2016-2018 Mazda MX-5 Miata Grand Touring
2017-2018 Mazda MX-5 Miata RF Club
2017-2018 Mazda MX-5 Miata RF Grand Touring
2016-2018 Mazda MX-5 Miata Sport

Product Details

Product Description
Part Numbers
Sizing & Fit
ZM12-HDG6 kit features ACT's most popular Heavy Duty pressure plate. ACT 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 6-pad, spring-centered race disc features a spring-center to properly damp torsional vibrations and resist failure 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 6-pad, spring-centered race disc, engagement is harsher, but shifting is faster. The 6-pad, spring-centered disc is recommended for larger clutch sizes to absorb more heat.

This Part Fits:

Year Make Model Submodel
2016-2018 Mazda MX-5 Miata Club
2016-2018 Mazda MX-5 Miata Grand Touring
2017-2018 Mazda MX-5 Miata RF Club
2017-2018 Mazda MX-5 Miata RF Grand Touring
2016-2018 Mazda MX-5 Miata Sport

Product Details

Product Description
ZM12-HDG6 kit features ACT's most popular Heavy Duty pressure plate. ACT 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 6-pad, spring-centered race disc features a spring-center to properly damp torsional vibrations and resist failure 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 6-pad, spring-centered race disc, engagement is harsher, but shifting is faster. The 6-pad, spring-centered disc is recommended for larger clutch sizes to absorb more heat.

This Part Fits:

Year Make Model Submodel
2016-2018 Mazda MX-5 Miata Club
2016-2018 Mazda MX-5 Miata Grand Touring
2017-2018 Mazda MX-5 Miata RF Club
2017-2018 Mazda MX-5 Miata RF Grand Touring
2016-2018 Mazda MX-5 Miata Sport

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