• High-Performance Pressure Plate: The ZM2-HDG4 kit comes with ACT's most popular Heavy Duty pressure plate. It uses an exclusive diaphragm design to boost clamp load, reduce deflection, and extend clutch life. All diaphragms go through a four - stage heat - treating process for top - notch performance.
• Quiet and Reliable Disc: ACT's 4 - pad spring - centered race disc has a spring - center to damp torsional vibrations, ensuring quieter operation and resistance to failure even in harsh conditions. Spring retainers provide excellent support, reducing stress and increasing strength.
• Fast Shifting: With the 4 - pad spring - centered race disc, experience harsher engagement but significantly faster shifting. Ideal for smaller engines with smaller disc sizes.
This Part Fits:
Year | Make | Model | Submodel |
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1999 | Mazda | Miata | 10th Anniversary |
1990 - 1997,1999 - 2005 | Mazda | Miata | Base |
1993 | Mazda | Miata | LE |
2000 - 2005 | Mazda | Miata | LS |
1994 - 1997 | Mazda | Miata | M Edition |
2004 - 2005 | Mazda | Miata | Mazdaspeed |
1991,2000 - 2003 | Mazda | Miata | SE |
2003 | Mazda | Miata | Shinsen |
1997 | Mazda | Miata | STO |

This clutch kit is designed for Mazda Miata owners who want to enhance their car's performance. Whether you're a daily driver looking for a more responsive clutch or a racing enthusiast seeking top - notch performance on the track, this kit is for you. It fits a wide range of Mazda Miata models from 1990 to 2005. The heavy - duty pressure plate and 4 - pad spring - centered race disc work together to provide better clamping force and faster shifting. Although specific size and weight details aren't provided, you can expect a well - built and reliable product that will upgrade your driving experience.