If you're looking to kick your clutch game up a notch, the ACT HD/Race Rigid 4 Pad Kit TC3-HDR4 is where it's at. This isn't just any clutch kit; it's built for those who take their driving seriously. The heart of this kit is ACT's Heavy Duty pressure plate, which has become a favorite among enthusiasts. What sets it apart? Well, for starters, the exclusive diaphragm design cranks up the clamp load while keeping deflection to a minimum. This means you get a longer-lasting clutch that can handle the heat. Seriously, these diaphragms go through a four-stage heat-treating process, so you know they’re tough as nails.
Now, let’s talk about the 4-pad rigid race discs. Made from high-quality ceramic friction materials, they’re designed for serious performance. The chrome-moly hub is heat-treated, which adds a layer of durability you can count on. If you’re after quicker shifts, this lightweight design is a game-changer. Sure, the engagement can be a bit harsher, but that just means you’re getting faster shifts when it counts. This kit is particularly great for smaller engines, where the smaller disc sizes really shine.
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ACT #actTC3-HDR4
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1972-1974 Toyota Celica |
Celica | 1972-1974 |
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1972-1974 Toyota Mark II |
Mark II | 1972-1974 |
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1975-1977 Toyota Pickup |
Pickup | 1975-1977 |

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.