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  See more parts for Mazda RX-7
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ACT HD/Race Sprung 4 Pad Kit Mazda RX-7 1986-1992 - Z65-HDG4

Hey there, gearheads! If you’re looking to step up your clutch game, the ACT HD/Race Sprung 4 Pad Kit Z65-HDG4 is worth your attention. This kit is built around ACT's heavy-duty pressure plate, which is pretty much the go-to for those who want reliability and performance. The unique diaphragm design cranks up the clamp load while minimizing deflection, which means you get more life out of your clutch. Plus, every diaphragm goes through a four-stage heat-treating process, so you know it’s tough enough to handle the heat.

Now, let’s talk about the 4-pad spring-centered race disc. This bad boy is designed to handle some serious torque while keeping things quiet. With the spring center, it dampens those torsional vibes, so you won’t feel like you’re driving a washing machine on spin cycle. Sure, engagement is a bit harsher, but that just means quicker shifts, and who doesn’t want that? It’s perfect for smaller engines and disc sizes, making it a solid choice for your Mazda RX-7 from 1986 to 1992.

When you take a closer look at the specs, you’ll see this kit doesn’t mess around:

  • Clutch Disc Diameter: 9.4 inches (240 mm)
  • Torque Capacity: 420 ft/lbs
  • Input Spline Quantity: 23
  • Disc Material: Tough ceramic
  • Weight: 15.7 lbs

And don’t worry about installation; it comes with an alignment tool to make your life easier. Just a heads up though, you’ll need to grab a counterweight for the flywheel since it’s not included.

For those who love a light to moderate pedal effort with a bit of aggressive engagement, this kit has you covered. It’s designed for high horsepower street or race use, so whether you’re tearing up the track or just cruising around, you’ll appreciate the performance boost.

Installation Instructions: If you need a hand with the install, CLICK HERE for the guide.

So, if you’re ready to upgrade your clutch setup, the ACT HD/Race Sprung 4 Pad Kit is a solid choice. It’s built for those who know what they want and aren’t afraid to push their ride to the next level.

Other Part Numbers:
ACT #actZ65-HDG4

Proposition 65

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

Vehicle
1986-1992
 Mazda RX-7

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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