Action Clutch IRONMAN Sprung (Street) Clutch Kit

2002–2005 Honda Civic Si 2.0L (K20A3)

Part #: ACR-0657

Overview

The Action Clutch IRONMAN Sprung (Street) Clutch Kit is a high-performance clutch solution designed specifically for Honda Civic Si models from 2002 to 2005 equipped with the 2.0L K20A3 engine. Built for enthusiasts who demand durability and reliable power transfer, this clutch kit is ideal for spirited street driving and track use. It offers impressive holding capacity and a heavy pedal feel that ensures confident engagement during aggressive driving sessions.

Whether you're upgrading your stock clutch for increased performance or preparing your vehicle for track days, the IRONMAN clutch provides the strength and reliability needed to handle higher horsepower and torque levels. Its robust construction and proven performance make it a popular choice among Honda enthusiasts seeking a durable, high-capacity clutch system.

Key Features

The Action Clutch IRONMAN Sprung Clutch Kit incorporates several advanced features to deliver superior performance and longevity:

• Constructed with high-quality sintered iron material, the clutch disc offers exceptional heat resistance and durability under demanding conditions.
• Designed with a six-puck iron puck configuration, providing increased holding capacity and improved power transfer compared to stock clutches.
• The sprung hub design helps dampen torsional vibrations, resulting in smoother engagement and reduced driveline shock during shifts.
• Includes a lightened flywheel, which reduces rotational mass for quicker throttle response and more aggressive acceleration.
• Single dual clamp diaphragm pressure plate ensures consistent clamping force and reliable engagement, even under high-stress conditions.
• Heavy pedal feel with smooth engagement, giving drivers precise control and confidence during aggressive driving or track use.
• Specifically engineered for track applications, this clutch is tested and proven to handle above 550 horsepower, making it suitable for high-performance builds.
• Strictly designed for track use, it is recommended for drivers who prioritize maximum holding capacity over daily comfort.

Construction & Design

The IRONMAN clutch kit features a meticulously engineered design to withstand the rigors of high-performance driving. The clutch disc is made from sintered iron, which provides excellent heat dissipation and wear resistance, ensuring longevity even under repeated high-stress conditions. The six-puck configuration enhances grip and power transfer, reducing slippage during aggressive acceleration.

The sprung hub assembly incorporates damping springs that absorb torsional vibrations, resulting in smoother engagement and reduced stress on drivetrain components. The included lightened flywheel is crafted to decrease rotational inertia, improving throttle response and acceleration. The pressure plate employs a dual clamp diaphragm design, providing consistent clamping force and reliable engagement across a wide range of operating conditions.

All components are precision-machined and assembled to ensure perfect fitment and durability. The kit is designed for easy installation, utilizing factory mounting points and hardware, with no need for modifications or additional tuning for optimal performance.

Installation & Fitment

The Action Clutch IRONMAN clutch kit is a bolt-on upgrade that utilizes the factory mounting points and hardware. Installation is straightforward for experienced mechanics or enthusiasts with basic mechanical skills. No cutting, drilling, or special modifications are required. However, due to its high-performance nature, some drivers may choose to have the clutch professionally installed to ensure optimal setup and longevity.

• Designed specifically for Honda Civic Si models from 2002 to 2005 with the 2.0L K20A3 engine.
• Intended for track use and high-performance applications; not recommended for daily street driving due to its heavy pedal feel.

What's Included

• Ironman six-puck sintered iron clutch disc
• Lightened flywheel
• Heavy-duty pressure plate with dual clamp diaphragm
• All necessary hardware and installation instructions

Ideal For

• Performance enthusiasts seeking maximum holding capacity for high-horsepower builds
• Track day and racing applications requiring durable, high-performance clutch components
• Honda Civic Si owners upgrading from stock clutch for improved power transfer and reliability