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  See more parts for Nissan 240SX S13
Select the year of your Nissan 240SX S13:
ACT HD/Race Sprung 4 Pad Kit Nissan 1975-1998 - NX1-HDG4

If you're looking to up your clutch game, the ACT NX1-HDG4 HD/Race Sprung 4 Pad Kit is a solid choice. This setup features ACT's Heavy Duty pressure plate, which is a favorite among performance enthusiasts for good reason. The exclusive diaphragm design here really cranks up the clamp load, minimizes deflection, and helps your clutch last longer. Trust me, you want that kind of reliability when you're pushing your car to its limits.

One of the standout features is the four-stage heat-treating process that all diaphragms go through. This means you get performance that’s hard to beat. The precision cover stampings add a level of rigidity and consistency that you can feel every time you hit the gas. And let’s talk about the race disc—it’s a 4-pad spring-centered design that does an excellent job of damping torsional vibrations. You’ll notice it’s quieter than some other options, which is a nice touch when you're cruising around town.

Now, I won't sugarcoat it: engagement is a bit harsher with this setup, but that’s the trade-off for faster shifting. If you’ve got a smaller engine, this kit is particularly well-suited because it works wonders with smaller disc sizes. It’s designed to handle the heat, thanks to select ceramic friction materials that are all about high heat tolerance and maximum performance.

Install Instructions:

Features:

  • Light to moderate pedal effort, with aggressive engagement—expect some gear rattle, but nothing too wild.
  • Moderate friction life that gets a boost from ACT's diaphragm design.
  • Engineered and balanced with care, using top-notch materials for high performance.
  • Perfect for high horsepower street or race applications.
  • 100% clamp load tested and dynamically balanced for smooth high RPM operation.

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: 8.8 in (224 mm)
  • Disc Material: Ceramic
  • 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: 14.5 lbs
  • Torque Capacity: 350 ft/lbs
  • Torque Capacity Over OE: 0.97

Products Fitment:

  • Nissan 240SX S13 1989-1990
  • Nissan 240SX S14 1995-1998
  • Nissan 280Z 1975-1978
  • Nissan 280ZX 1979-1983
  • Nissan 620 1975-1979
  • Nissan 720 1985-1986
  • Nissan Axxess 1990
  • Nissan Maxima 1982-1984

Other Part Numbers:
ACT #actNX1-HDG4

Proposition 65

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

Vehicle
1989-1990
 Nissan 240SX S13
1995-1998
 Nissan 240SX S14
1975-1978
 Nissan 280Z
1979-1983
 Nissan 280ZX
1975-1979
 Nissan 620
1985-1986
 Nissan 720
1990
 Nissan Axxess
1982-1984
 Nissan Maxima

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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