ACT Heavy Duty Race Sprung 4 Pad Clutch Kit

Fitment: Mazda Miata (90-05)

Part #: ZM2-HDG4

Overview

The ACT Heavy Duty Race Sprung 4 Pad Clutch Kit is designed to deliver exceptional durability and performance for Mazda Miata owners seeking a reliable upgrade for spirited driving or racing applications. This kit includes ACT's most popular Heavy Duty pressure plate, engineered to withstand increased power loads and aggressive driving conditions. Crafted for enthusiasts who demand a high-performance clutch solution, it offers improved clamp load, reduced deflection, and enhanced longevity. The kit is ideal for drivers looking to optimize their vehicle’s response and reliability during demanding driving scenarios, whether on the street or track. This clutch kit is engineered to support high-performance driving by providing consistent engagement and robust durability. Its design ensures a firm pedal feel and reliable power transfer, making it suitable for both daily driving and competitive motorsport use. The combination of quality materials and precision manufacturing results in a clutch system that maintains performance over extended use, reducing the need for frequent replacements and ensuring your Mazda Miata remains responsive and dependable.

Key Features

This clutch kit features a meticulously designed assembly focused on durability and performance:

• Heavy Duty pressure plate with exclusive diaphragm design for increased clamp load
• Four-stage heat-treating process enhances component strength and heat resistance
• Precision cover stampings provide rigidity and consistency in operation
• Spring-centered race disc helps damp torsional vibrations for smoother engagement
• High-quality materials ensure long-lasting performance under demanding conditions
• Optimized for high-performance applications and spirited driving
• Designed for easy installation and reliable operation

Construction & Design

The ACT HD/Race Sprung 4 Pad Clutch Kit features a robust pressure plate constructed with high-strength materials and precision manufacturing techniques. The diaphragm spring is engineered to provide consistent pressure and reduce deflection, supporting maximum clamping force. The race disc incorporates a spring-centered design that effectively dampens torsional vibrations, contributing to smoother engagement and reduced driveline shock. The components are heat-treated through a four-stage process to ensure durability and resistance to heat and wear, making this clutch kit suitable for high-stress driving environments.

Driving Feel & Feedback

This clutch kit offers a firm pedal feel with precise engagement, providing drivers with confident control during aggressive driving or racing. The dampening characteristics of the race disc help minimize vibrations and shock transfer, resulting in a smoother driving experience even under high loads. Its design supports consistent power transfer, enhancing overall vehicle responsiveness and driver confidence.

Installation & Fitment

Installation of this clutch kit requires standard mechanical skills and appropriate tools. Fitment should be verified against the vehicle’s specifications and the part number provided. Proper alignment and torque procedures are essential for optimal performance and longevity.

What’s Included

The package includes the Heavy Duty pressure plate, race disc, release bearing, and all necessary hardware for installation, ensuring a complete upgrade for your Mazda Miata’s clutch system.

Ideal For

This clutch kit is ideal for Mazda Miata enthusiasts who participate in track days, autocross, or spirited street driving. It is suitable for drivers seeking a durable, high-performance clutch that supports aggressive driving styles and enhances vehicle response.