# ACT CW04 Flywheel Counterweight for 1968–1979 Ford Mustang

ACT Flywheel Counterweights are made from the highest quality materials, and guarantee to deliver superior functionality and durability. They are required when installing a lighter flywheel. These products are available for many applications.

**Key Features:**

-   157 tooth ring gear, 28.2 oz. in balance
-   Product Weight (lbs.): 0.4
-   Assuring smooth operation
-   Reduces load on bearings to extend engine life
-   Precisely machined for minimal balancing adjustment
-   Recommended for use with ACT flywheel
-   Manufactured to tight tolerances, balanced to perfection
-   CW04 counterweights are required when installing an XACT flywheel for various applications.

Since 1994, Advanced Clutch Technology has specialized in performance clutches and flywheels. All products are made from the highest quality materials and then necessarily tested to ensure they perform to the customers' expectations.

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1968

Ford

Mustang

Trim: BASE; Engine: 5.0L

1969

Ford

Mustang

Trim: BASE; Engine: 5.0L

1970

Ford

Mustang

Trim: BASE, GRANDE, MACH 1; Engine: 5.0L

1971

Ford

Mustang

Trim: BASE, GRANDE, MACH 1; Engine: 5.0L

1972

Ford

Mustang

Trim: BASE, GRANDE, MACH 1; Engine: 5.0L

1973

Ford

Mustang

Trim: BASE, GRANDE, MACH 1; Engine: 5.0L

1979

Ford

Mustang

Trim: BASE, GHIA; Engine: 5.0L

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility table above before purchase.

**What part number is this?**  
The listed part number is CW04.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

### Common Searches

-   Flywheel Counterweight for Ford Mustang
-   CW04 fitment
-   ACT Flywheel Counterweight
-   1968–1979 Ford Mustang Flywheel Counterweight
-   ACT CW04 replacement

## Details

- **Price:** 78.59 CAD
- **Vendor:** ACT
- **Type:** Flywheel Counterweight
- **Tags:** 1968–1979 Ford Mustang, ACT, Clutch, CW04, Flywheel, Flywheel Counterweight, Performance Clutch

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 78.59 CAD | In stock |

## Images

- ACT CW04 Flywheel Counterweight for 1968–1979 Ford Mustang

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/act-cw04-flywheel-counterweight)
> Updated: 2026-10-17