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  See more parts for Acura Integra
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ACT HD/Perf Street Sprung Kit Acura Integra | Honda Civic | Type-R 2016-2024 - HC12-HDSS

ACT HC12-HDSS Heavy Duty Clutch Kit

If you're a proud owner of a 2024 Acura Integra or a Honda Civic (2016-2020), including the Civic Type-R (2017-2021 & 2023-2024), the ACT HC12-HDSS Heavy Duty Clutch Kit is an upgrade you won't want to miss. This kit features ACT's top-selling Heavy Duty pressure plate paired with a robust street disc, designed specifically for enthusiasts who demand performance without sacrificing daily drivability.

Performance-Driven Design

The ACT Heavy Duty pressure plate utilizes an exclusive diaphragm design that boosts clamp load, minimizes deflection, and extends clutch life. Each diaphragm undergoes a rigorous four-stage heat-treating process, ensuring it can handle the heat and stress of spirited driving or track days. The precision cover stampings enhance rigidity and consistency, making this clutch system reliable under high RPMs.

Street-Ready Clutch Discs

ACT?s Performance Street discs are crafted from premium organic materials with a high copper content, optimizing heat transfer and increasing durability. The steel-backed lining significantly improves burst strength, while the reduced marcel allows for quicker shifts, perfect for those who appreciate seamless gear changes. Whether you're carving through mountain roads or hitting the track, this kit delivers the performance you need.

Installation Made Easy

For those who enjoy working on their own vehicles, installation is straightforward. You can find detailed instructions here.

Key Features

  • Light to moderate pedal effort for daily comfort
  • Longer friction life thanks to ACT's innovative diaphragm design
  • Engineered for both street and track use
  • 100% clamp load tested and dynamically balanced for reliability

Specifications

  • Clutch Master Cylinder Included: No
  • Grease Included: Yes
  • Grade Type: Performance
  • Flywheel Included: Yes
  • Pressure Plate Type: Heavy Duty
  • Release Bearing Included: Yes
  • Clutch Disc Diameter: 9.4 in (240 mm)
  • Input Spline Quantity: 24
  • Input Shaft Diameter: 1.0325 in
  • Alignment Tool Included: Yes
  • Disc Type: Sprung Solid
  • Pressure Plate Bolts Included: Yes
  • Flywheel Type: Streetlite
  • Product Weight: 31.2 lbs
  • Torque Capacity: 412 ft/lbs

Important Notes

  • This kit requires the use of the ACT flywheel included in the package. Flywheel bolts (M12-1.0 x 25mm) and pressure plate bolts (M8-1.25 x 16mm) are also provided.

Customer Feedback

Honda Civic owners have noted that the HC12-HDSS kit provides a noticeable improvement in clutch feel and responsiveness. One owner shared, "After installing this clutch in my 2020 Civic, the shifts are so much smoother, and I can feel the added torque capacity during acceleration." Another Acura Integra driver stated, "This clutch holds power exceptionally well, perfect for my weekend track sessions without any slip."

Upgrade your ride today with the ACT HC12-HDSS Heavy Duty Clutch Kit and experience the difference in performance and reliability.

Other Part Numbers:
ACT #actHC12-HDSS

Proposition 65

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

Vehicle
2024
 Acura Integra
2016-2020
 Honda Civic
2017-2021, 2023-2024
 Honda Civic Type-R

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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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