If you're diving into the world of performance upgrades for your Mustang, the Advanced Clutch Flywheel Counterweight CW05 is a must-have when you're swapping in an XACT flywheel. Seriously, if you want that engine to run smoothly and efficiently, this little piece makes a big difference.
Now, let’s talk about what this counterweight does. It’s all about keeping things balanced and reducing the load on your bearings. That means your engine can breathe a bit easier, which can help extend its lifespan. Plus, it’s machined with precision, so you won’t be fiddling around with a ton of balancing adjustments once it’s installed.
Here's a quick rundown of the specs:
And just to be clear about fitment, this counterweight works perfectly with:
Installing it is straightforward, but if you need a little guidance, you can check out the install instructions here.
So, if you're looking to get the most out of your ACT flywheel setup, don’t skip on this counterweight. It’s a small piece, but it plays a big role in keeping your ride smooth and reliable.
Other Part Numbers:
ACT #actCW05
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1979-1998 Ford Mustang |
Mustang | 1979-1998 |
|
1982-1995 Ford Mustang GT |
Mustang GT | 1982-1995 |
|
1993-1995 Ford Mustang SVT Cobra |
Mustang SVT Cobra | 1993-1995 |

If you've added boost, tuned for more power, or simply want better throttle control, then your stock clutch won't cut it. That?s where ACT (Advanced Clutch Technology) comes in delivering high-performance clutch kits and flywheels designed for real drivers who push their builds on the street, strip, or track.
ACT?s lineup includes everything from daily driver friendly HD kits to hardcore twin disc setups for serious horsepower. Whether you?re launching hard in a WRX, drifting in a 370Z, or canyon carving in an M3, ACT gives you the torque capacity and engagement you need without sacrificing drivability.
Why ACT? Because Power Without Control Is Useless.ACT doesn?t just make universal performance parts ? they build complete, vehicle-specific clutch solutions for enthusiast favorites. Whether you daily a Civic Type R, track a Subaru STI, drift a 240SX, or drag a Mustang GT, ACT offers the right clutch to match your build goals.
Top supported platforms include the Nissan 350Z/370Z, Toyota Supra A90, Chevy Camaro SS/ZL1, Mitsubishi Evo, Ford Focus RS/ST, and BMW M3/M4 ? each with clutch options tuned to your driving needs.
What ACT Offers:ACT isn?t hype ? it?s proven. Their clutches are SFI-certified, track-tested, and used by racers in drag, time attack, autocross, drift, and rally. But what really matters? They hold power, last longer, and feel right even after hundreds of hard launches or hours of canyon carving.
Whether you're upgrading for more power or replacing a tired OEM clutch, ACT gives you the bite, strength, and feel to drive harder with confidence. No compromises, no excuses just parts that work when it matters.