If you're looking to upgrade your clutch setup, the ACT TS1-HDSS Heavy Duty/Performance Street Sprung Kit is a solid choice. I've had my hands on this kit, and it really delivers on both the street and the track. The heavy-duty pressure plate is designed with an exclusive diaphragm that ramps up the clamp load while minimizing deflection. This means you get a clutch that not only lasts longer but also performs better under pressure.
One of the standout features is the four-stage heat-treating process that each diaphragm goes through. This isn't just marketing fluff; it genuinely enhances performance and durability. You can feel the difference when you shift. The precision cover stampings add to the rigidity, making sure everything stays stable even when you're pushing the limits.
Now, let’s talk about the performance street disc. It’s made from premium organic materials with a high copper content, which means it handles heat like a champ. The steel-backed lining gives it that extra burst strength and durability you need, especially if you're hitting the gas hard. Plus, the reduced marcel allows for quicker shifts, which is a game changer during spirited driving or racing.
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Fits the following models:
In short, if you're serious about your ride and want a clutch that can handle the heat—literally—this kit is worth considering. It’s built for enthusiasts who appreciate quality and performance.
Other Part Numbers:
ACT #actTS1-HDSS
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Toyota 4Runner | 1985-1987 | SR5 |
| Toyota 4Runner | 1985-1987 | DLX |
| Toyota Celica | 1981-1985 | Supra |
| Toyota Celica | 1981-1985 | GT |
| Toyota Celica | 1981-1985 | ST |
| Toyota Celica | 1983-1985 | GTS |
| Toyota Cressida | 1984-1987 | Luxury |
| Toyota Pickup | 1985 | RN60 |
| Toyota Pickup | 1985-1987 | DLX |
| Toyota Pickup | 1985 | DLX Turbo |
| Toyota Pickup | 1985-1987 | SR5 Turbo |
| Toyota Pickup | 1985-1987 | Base |
| Toyota Pickup | 1985-1987 | SR5 |
| Toyota Pickup | 1986-1987 | Base Turbo |
| Toyota Pickup | 1986-1987 | RN63 |
| Toyota Pickup | 1986 | LN76 |
| Toyota Pickup | 1986-1987 | LN55 DLX |
| Toyota Pickup | 1987 | LN67 |
| Toyota Supra | 1986-1988 | Base |
| Toyota Supra | 1987-1988 | Turbo |

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.