Alright, let’s talk about the ACT HD/Perf Street Sprung Kit NX9-HDSS. If you’re looking to upgrade your clutch setup, this is where you want to start. This kit packs a punch with ACT's Heavy Duty pressure plate, which is known for its solid performance on the street and at the track. The design is no joke—it uses a special diaphragm that boosts clamp load, cuts down on deflection, and helps your clutch last longer. Seriously, they put these diaphragms through a four-stage heat-treating process, so you know they’re built to take some heat. Plus, the precision cover stampings mean you get a consistent and rigid setup every time.
The Performance Street disc is another highlight here. It’s made with high copper content organic materials that help with heat transfer, and the steel-backed lining gives it some serious strength. They’ve even reduced the marcel, which means quicker shifts. If you’re looking for reliability, this combo won’t let you down.
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This kit is a solid choice if you want to step up your clutch game without breaking the bank. It’s built for those who appreciate a good balance of performance and reliability. If you’re driving one of the compatible models, you’re in for a treat.
Other Part Numbers:
ACT #actNX9-HDSS
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1991-1996, 1999-2002 Infiniti G20 |
G20 | 1991-1996, 1999-2002 |
|
1995-1998 Nissan 200SX |
200SX | 1995-1998 |
|
1991-1993 Nissan NX |
NX | 1991-1993 |
|
1991-1995, 1998-2006 Nissan Sentra |
Sentra | 1991-1995, 1998-2006 |

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.