If you're looking for a clutch kit that can handle the heat of both street driving and the occasional track day, the ACT Heavy Duty/Performance Street Rigid Kit HA3-HDSD is worth your attention. This isn't just any clutch; it's built for enthusiasts who want a reliable setup that performs under pressure. The standout feature here is ACT's Heavy Duty pressure plate. It uses a unique diaphragm design that ramps up clamp load, which means less deflection and longer clutch life. Plus, every diaphragm goes through a four-stage heat-treating process, so you know it’s tough.
Now, let’s talk about the clutch disc. The performance street rigid-hub discs are crafted from premium organic materials that have a high copper content. This means better heat transfer, which is essential when you're pushing your car. The steel-backed lining adds durability, and the chrome-moly hub is heat-treated for extra strength. You’ll appreciate the rivet design here too; it's all about maximizing strength without adding unnecessary weight. We're talking about the lightest street disc that still allows for quicker shifts.
When you hit the pedal, expect a light to moderate effort with smooth engagement. Just a heads up, you might notice a bit more gear rattle—it's all part of the package. The exclusive diaphragm design not only extends friction life but can also lead to increased spline wear, so keep that in mind if you're racing regularly. This kit is engineered for both street and race use, and it’s been 100% clamp load tested and dynamically balanced, making it reliable even when you're pushing high RPMs.
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ACT #actHA3-HDSD
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1997-1999 Acura CL |
CL | 1997-1999 |
|
1990-2002 Honda Accord |
Accord | 1990-2002 |
|
1992-2001 Honda Prelude |
Prelude | 1992-2001 |

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.