ACT Flywheel Counterweight

1968–1979 Ford Mustang

Part #: CW04

Overview

The ACT Flywheel Counterweight CW04 is an essential component designed specifically for Ford Mustang models from 1968 to 1979. When installing an ACT XACT flywheel, adding the appropriate counterweight is crucial to ensure proper balance and smooth operation of your vehicle's drivetrain. This counterweight helps to mitigate vibrations and maintain optimal engine performance, especially when upgrading or replacing the flywheel.

If you're a performance enthusiast, restoring a classic Mustang, or simply looking to improve the reliability and drivability of your vehicle, the ACT CW04 counterweight provides a precise and reliable solution. It is engineered to match the specifications of the factory flywheel setup, ensuring seamless integration and consistent performance.

Key Features

ACT CW04 Flywheel Counterweight offers several key features that make it a vital upgrade or replacement part for your Mustang:

• Manufactured by ACT, a trusted name in high-performance clutch and flywheel components, ensuring quality and durability.
• Designed specifically for 1968–1979 Ford Mustang models, guaranteeing perfect fitment and compatibility.
• Lightweight construction, weighing only 0.4 lbs., to minimize additional rotational inertia while maintaining balance.
• Precisely machined to match OEM specifications, ensuring accurate counterbalancing for smooth engine operation.
• Made from high-quality materials that resist wear and corrosion, extending the lifespan of the component.
• Easy to install with included references and instructions, making it suitable for both professional mechanics and DIY enthusiasts.
• Backed by a 1-year manufacturer warranty, providing peace of mind with your purchase.

Construction & Design

The ACT CW04 flywheel counterweight is crafted from durable, high-grade materials that ensure longevity and consistent performance. Its compact design and precise machining allow for effortless installation and optimal balancing. The lightweight nature of the counterweight helps reduce unnecessary rotational mass, which can improve throttle response and engine responsiveness without compromising the integrity of the flywheel assembly.

Installation & Fitment

The ACT CW04 flywheel counterweight is designed as a direct replacement for the factory component, making installation straightforward. No cutting, drilling, or complex modifications are required. Simply follow the included installation instructions to ensure proper placement and secure fitment. This part is intended for use with ACT XACT flywheels and is compatible with 1968–1979 Ford Mustang models. For best results, it is recommended to have a professional mechanic perform the installation or to follow precise torque specifications if doing it yourself.

• Easy bolt-on installation with factory mounting points
• No additional modifications or tuning required

What's Included

• ACT Flywheel Counterweight CW04
• Installation references and instructions

Ideal For

• Classic Ford Mustang owners restoring or upgrading their vehicles
• Performance enthusiasts seeking smooth engine operation and balanced flywheel setup
• Mechanics and DIYers looking for a reliable, high-quality counterweight solution