The ACT MS1-HDG6 is a premium Heavy Duty clutch kit designed for performance enthusiasts who demand reliability and strength. Featuring ACT's renowned Heavy Duty pressure plate, this kit is engineered to enhance your vehicle's performance while ensuring longevity. Its unique diaphragm design increases clamp load and minimizes deflection, which translates to a more responsive driving experience.
Each pressure plate undergoes a rigorous four-stage heat-treating process, ensuring it can withstand the demands of high-performance driving. The precision cover stampings offer exceptional rigidity, contributing to consistent performance across various driving conditions.
Many users have praised the MS1-HDG6 for its noticeable improvement in shifting response. One customer noted, "The engagement is definitely harsher than stock, but it allows for faster shifts, which is exactly what I was looking for on the track." Others have commented on the durability, with one user stating, "I've put this clutch through its paces in both street and race conditions, and it has held up remarkably well."
Compatible with:
For installation instructions, please CLICK HERE.
Other Part Numbers:
ACT #actMS1-HDG6
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Chrysler Conquest | 1987 | Base |
| Chrysler Conquest | 1988-1989 | TSi |
| Mitsubishi Starion | 1987 | LE |
| Mitsubishi Starion | 1987-1989 | ESi-R |
| Mitsubishi Starion | 1988 | ESi |

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.