Action Clutch Stage 4 Clutch Kit

1999–2000 Honda Civic SI 1.6L DOHC (B16A2)

Part #: ACR-0639

Overview

The Action Clutch Stage 4 Metallic Rigid Clutch Kit is designed for Honda Civic SI models from 1999 to 2000 equipped with the 1.6L DOHC B16A2 engine. This high-performance clutch kit is ideal for enthusiasts seeking aggressive engagement, increased holding capacity, and reliable durability for spirited driving, track days, or street performance applications. With its advanced materials and engineering, this clutch provides a significant upgrade over stock components, ensuring your vehicle can handle increased power and demanding driving conditions.

Whether you're upgrading for better performance or pushing your Civic to its limits, the Stage 4 Clutch Kit delivers rapid heat dissipation, consistent engagement, and a pedal feel that balances responsiveness with control. You'll get a clutch system that supports aggressive driving styles while maintaining a manageable pedal effort, making it suitable for daily driving combined with high-performance use.

Key Features

The Action Clutch Stage 4 Clutch Kit incorporates several advanced features designed to optimize performance and durability:

• Single diaphragm *RIGID* ceramic pressure plate for maximum holding capacity and consistent engagement under high loads.
• 170% increase in holding capacity compared to stock clutch systems, enabling your vehicle to support higher horsepower and torque levels.
• Light pedal feel with aggressive engagement, providing a responsive driving experience without excessive pedal effort.
• Heavy-duty pressure plate with reinforced drive straps ensures long-lasting durability even under demanding conditions.
• Lightweight, unsprung hub design promotes rapid engagement and reduces rotational mass, improving throttle response.
• High-quality ceramic friction material offers excellent heat dissipation and resistance to fade during aggressive driving or track use.

Construction & Design

The Action Clutch Stage 4 Clutch Kit features a robust construction with a single diaphragm pressure plate made from heavy-duty steel, ensuring reliable performance and longevity. The ceramic friction disc is engineered for rapid heat dissipation and high thermal stability, making it suitable for aggressive driving scenarios. The lightweight, unsprung hub design reduces rotational inertia, enhancing throttle response and acceleration. Reinforced drive straps on the pressure plate provide added durability, ensuring the clutch maintains its performance over time even under high-stress conditions.

Installation & Fitment

The Action Clutch Stage 4 Clutch Kit is designed as a direct bolt-on upgrade for Honda Civic SI models from 1999 to 2000 with the B16A2 engine. Installation typically requires standard mechanical skills; however, professional installation is recommended to ensure proper setup and alignment. No cutting, drilling, or modifications are necessary, and the kit is compatible with your vehicle's existing flywheel and transmission components. Proper break-in procedures are advised to maximize performance and longevity.

• Complete clutch kit includes the ceramic pressure plate, friction disc, release bearing, and alignment tool.
• Designed for high-performance street and track use.

What's Included

• Stage 4 metallic rigid ceramic clutch pressure plate
• Ceramic friction disc
• Release bearing
• Alignment tool
• Installation instructions

Ideal For

• Honda Civic SI owners seeking increased holding capacity and aggressive engagement
• Performance enthusiasts pushing their vehicle beyond stock power levels
• Track day participants and spirited street drivers
• Drivers requiring a durable clutch capable of handling high torque loads