Action Clutch Stage 4 Clutch Kit

1994–2005 Mazda MX-5 Miata 1.8L DOHC (BP-ZE)

Part #: ACR-0873

Overview

The Action Clutch Stage 4 Metallic Rigid Clutch Kit is designed to deliver exceptional performance for Mazda MX-5 Miata enthusiasts seeking increased holding capacity and aggressive engagement. Built for drivers who push their vehicles hard on the street or track, this clutch kit offers a significant upgrade over stock components, ensuring your Miata can handle spirited driving, autocross, or light track use with confidence.

This clutch kit features a heavy-duty, single diaphragm pressure plate with reinforced drive straps, providing outstanding durability and consistent performance under high stress. The lightweight, unsprung hub design ensures rapid engagement and minimal rotational mass, contributing to improved throttle response and overall drivability. Whether you're upgrading for increased horsepower or seeking a more aggressive driving feel, this Stage 4 clutch helps support your performance goals while maintaining a manageable pedal feel.

Key Features

The Action Clutch Stage 4 Clutch Kit incorporates advanced materials and engineering to optimize performance and longevity. Key features include:

• Heavy-Duty Ceramic Clutch System: Utilizes a single diaphragm pressure plate with reinforced drive straps for enhanced durability and heat dissipation, allowing for consistent engagement even during aggressive driving.
• 170% Increased Holding Capacity: Significantly improves the clutch's ability to handle increased power and torque, making it suitable for modified engines or high-performance applications.
• Light Pedal Feel with Aggressive Engagement: Despite its high capacity, the clutch maintains a relatively light pedal effort, providing a responsive and engaging driving experience.
• Lightweight Unsprung Hub: Reduces rotational mass for quicker throttle response and smoother power transfer.
• Reinforced Drive Straps: Designed to withstand high heat and stress, ensuring long-term reliability under demanding conditions.
• Premium Materials: Constructed with high-quality metallic and ceramic components for durability and consistent performance.

Construction & Design

The clutch features a robust, single diaphragm pressure plate crafted from heavy-duty materials to withstand high torque loads. The ceramic friction material provides excellent heat resistance and friction characteristics, ensuring reliable engagement during aggressive driving. The reinforced drive straps and lightweight hub design contribute to the clutch's durability and responsiveness, making it an ideal choice for enthusiasts who demand both performance and longevity from their clutch system.

Installation & Fitment

The Action Clutch Stage 4 Clutch Kit is a direct bolt-on replacement for the stock clutch on Mazda MX-5 Miata models from 1994 to 2005 equipped with a 1.8L DOHC engine (BP-ZE). Installation is straightforward for experienced technicians familiar with clutch replacement procedures. No modifications to the flywheel or transmission are typically required, and the kit includes all necessary components for a complete upgrade. It is recommended to inspect and resurface the flywheel during installation to ensure optimal performance and longevity.

• Complete clutch kit with pressure plate, disc, and release bearing
• All necessary hardware and instructions included

Ideal For

• Performance enthusiasts seeking increased holding capacity and aggressive engagement
• Owners of modified Mazda MX-5 Miatas with higher horsepower or torque
• Track day and autocross drivers demanding reliable, high-performance clutch components
• Drivers who want a durable clutch that can withstand spirited driving conditions