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  See more parts for Nissan 300ZX
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ACT HD/Perf Street Sprung Kit Nissan 300ZSX 1984 | 1990-1996 - NX6-HDSS

ACT NX6-HDSS Heavy Duty Clutch Kit for Nissan 300ZX

If you're a Nissan 300ZX owner from 1984 or 1990-1996, the ACT NX6-HDSS Heavy Duty Clutch Kit is a must-have upgrade for your performance build. Designed with the serious driver in mind, this kit combines ACT's most popular Heavy Duty pressure plate with a robust street disc, ensuring that your clutch setup can handle the demands of spirited driving, whether on the street or the track.

Why Choose the NX6-HDSS?

The NX6-HDSS features an exclusive diaphragm design that increases clamp load while reducing deflection, which translates to a longer clutch life and more consistent performance. Each diaphragm undergoes a meticulous four-stage heat-treating process, guaranteeing durability under high-stress conditions. Plus, the precision cover stampings provide the rigidity needed for reliable engagement at high RPMs.

Performance Features

  • Light to moderate pedal effort for easy daily driving, yet responsive enough for track days.
  • Extended friction life thanks to ACT's innovative diaphragm design.
  • Constructed with premium organic materials and high copper content for superior heat transfer and reduced fade.
  • Perfectly balanced and 100% clamp load tested for smooth operation, even at high RPMs.
  • Recommended for both street and race applications, ensuring versatility in your driving experience.

Technical Specifications

  • Clutch Master Cylinder Included: No
  • Grease Included: Yes
  • Grade Type: Performance
  • Pilot Bushing Included: Yes
  • Pressure Plate Type: Heavy Duty
  • Release Bearing Included: Yes
  • Clutch Disc Diameter: 9.4 in (240 mm)
  • Disc Material: Organic
  • Input Spline Quantity: 24
  • Input Shaft Diameter: 1 in
  • Alignment Tool Included: Yes
  • Disc Type: Sprung Solid
  • Pressure Plate Bolts Included: No
  • Clutch Slave Cylinder Included: No
  • Flywheel Bolts Included: No
  • Product Weight: 19.6 lbs
  • Torque Capacity: 410 ft/lbs (0.45 over OE)

Installation Instructions

Ready to install? For detailed installation instructions, CLICK HERE.

Customer Feedback

A 1990 Nissan 300ZX owner shared, "After installing the ACT NX6-HDSS, I noticed a huge difference in my shift speed. The pedal feel is perfect—light enough for daily driving but holds strong during aggressive shifts on the track." Another user with a 1995 model stated, "This clutch kit transformed my car. I can finally push my Z without worrying about clutch slip!"

Upgrade your Nissan 300ZX with the ACT NX6-HDSS Heavy Duty Clutch Kit and experience the performance and reliability that comes from a trusted name in the industry.

Other Part Numbers:
ACT #actNX6-HDSS

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1984, 1990-1996
 Nissan 300ZX

ACT Banner

ACT ? Advanced Clutch Technology | Clutch Kits & Flywheels Built to Handle Real Power

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.
  • Hold More Power Engineered to handle turbo, supercharger, and high-compression builds
  • Faster Engagement Stronger pressure plates for better bite off the line
  • Better Pedal Feel Balanced response without going full race-car stiff
  • Reduced Rotational Mass Lightweight flywheels improve rev-matching and response
  • No Guesswork Direct-fit applications, no fabbing, no hassle
ACT Clutch Kits and Flywheels Fit the Cars Enthusiasts Build

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:
  • Performance Clutch Kits From HD street kits to twin-disc race systems
  • Clutch Discs 6-puck, full-face, rigid or sprung to match your style
  • Pressure Plates Heavy-duty options that increase clamp load without sacrificing control
  • Chromoly Lightweight Flywheels Quicker revs, smoother shifts, and less drivetrain stress
  • Complete Hardware Kits Everything you need for a proper install
Performance Tested. Driver Approved.

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.

ACT warrants all products to be free of defects in materials and workmanship for normal use and service for a period of one (1) year from retail purchase. Written notice must be immediately given to ACT within the warranty period. We require a copy of the purchase receipt showing the unit was purchased from an Authorized Dealer or Advanced Clutch Technology directly to verify the product is under warranty. Products purchased used do not carry a warranty. This warranty is to the original purchaser and is non-transferable. All non-warranty items are subject to a $50 inspection bench test fee.

ACT reserves the right to examine any part returned for warranty claim to determine, to ACT's satisfaction, whether the material or workmanship of the part does not conform to this limited warranty. ACT's obligation under this warranty shall be limited to repairing, replacing, or crediting, at its option, any part which is deemed covered by ACT. No labor, lift or storage charges will be reimbursed for any reason. Damage to ACT's parts resulting from misuse, improper use, or abuse shall void this limited warranty. Failure to follow ACT's installation instructions and the vehicle manufacturers installation procedures and specifications shall void this limited warranty.

ACT undertakes no responsibility for the quality of the goods except as otherwise provided in this contract. ACT assumes no responsibility that the goods will be fit for any particular purpose for which you may be buying these goods, except as otherwise provided in the contract. ACT shall not be liable for any damage or injury to persons or property resulting from improper installation or misuse of any part subject to this warranty.

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