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  See more parts for Mitsubishi Evolution X
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ACT HD-M/Perf Street Sprung Kit Mitsubishi Evolution X | Lancer 2008-2015 - ME3-HDSS

ACT ME3-HDSS Heavy Duty Clutch Kit

The ACT ME3-HDSS is engineered for performance enthusiasts seeking a reliable and durable clutch solution. This kit combines ACT's renowned Heavy Duty pressure plate with a high-performance street disc, making it a top choice for spirited driving and track days alike.

Pressure Plate Features

The Heavy Duty pressure plate utilizes an exclusive diaphragm design that enhances clamp load while minimizing deflection. This ensures maximum clutch life and performance. Each diaphragm undergoes a rigorous four-stage heat-treating process, delivering exceptional durability under stress. Precision cover stampings contribute to the overall rigidity and consistency of the pressure plate, making it a dependable choice for any application.

Clutch Disc Specifications

The included performance street disc is constructed from premium organic materials with a high copper content, which significantly improves heat transfer. This disc features a steel-backed lining for enhanced burst strength and longevity. With a reduced marcel design, it allows for quicker shifts, ensuring a seamless transition during gear changes. The disc operates quietly while providing increased strength and reliability, making it suitable for both street and racing environments.

Monoloc Design

The ME3-HDSS kit incorporates ACT's Monoloc, a one-piece direct replacement for standard two-piece wedge collars. This component is crafted from hardened chrome-moly steel, ensuring years of reliable service. The segmented retaining ring's spring tension is meticulously calculated to provide uniform loading on the bearing and pressure plate, maintaining proper alignment regardless of driving style or vehicle modifications.

Installation Notes

For detailed installation instructions, refer to the installation guide here.

Specifications

  • Clutch Master Cylinder Included: No
  • Grease Included: Yes
  • Grade Type: Performance
  • Flywheel Included: No
  • Pilot Bushing Included: No
  • Pressure Plate Type: Heavy Duty
  • Release Bearing Included: Yes
  • Clutch Disc Diameter: 9.4 in (240 mm)
  • Disc Material: Organic
  • Input Spline Quantity: 23
  • Input Shaft Diameter: 1 in
  • Alignment Tool Included: Yes
  • Disc Type: Sprung
  • Pressure Plate Bolts Included: No
  • Clutch Slave Cylinder Included: No
  • Flywheel Bolts Included: No
  • Pilot Bearing Included: No
  • Product Weight: 17.3 lbs
  • Torque Capacity: 530 ft/lbs
  • Torque Capacity Over OE: 0.45

Fitment

The ACT ME3-HDSS is specifically designed for the following vehicles:

  • Mitsubishi Evolution X (2008-2015)
  • Mitsubishi Lancer (2008-2015)

Other Part Numbers:
ACT #actME3-HDSS

Proposition 65

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

Vehicle
2008-2015
 Mitsubishi Evolution X
2008-2015
 Mitsubishi Lancer

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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