If you're looking to upgrade your clutch setup, the ACT HA1-HDSS Heavy Duty/Performance Street Sprung Kit is definitely worth a look. I've had my fair share of experiences with clutches, and let me tell you, this one stands out. It’s built around ACT’s most popular Heavy Duty pressure plate and street disc, so you know you're getting something that’s tried and tested.
The pressure plate features a unique diaphragm design that ramps up the clamp load while keeping deflection in check. This means you’re not just getting a solid connection; you're also extending the life of the clutch overall. ACT takes it a step further with a four-stage heat-treating process for the diaphragms, which is pretty impressive. It really helps in performance situations where heat can be an issue.
Now, let’s talk about the Performance Street disc. It’s made with premium organic materials that have a high copper content, which means better heat transfer and durability. You’ll notice that the steel-backed lining is designed for burst strength, so you won’t have to worry about it giving out on you during those spirited drives. Plus, the reduced marcel allows for quicker shifts, which is a game-changer when you're pushing your ride to the limits.
Install Instructions:
Features that stand out:
Specifications:
Fits:
Honda Accord (1982-1985) and Honda Prelude (1983-1987). If you’ve got one of these rides, this kit might just be the upgrade you’ve been searching for.
Other Part Numbers:
ACT #actHA1-HDSS
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1982-1985 Honda Accord |
Accord | 1982-1985 |
|
1983-1987 Honda Prelude |
Prelude | 1983-1987 |

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.