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ACT HD/Race Rigid 4 Pad Kit Dodge | Mitsubishi | Plymouth 1988-2002 - MB3-HDR4

Alright, let’s talk about the ACT MB3-HDR4 HD/Race Rigid 4 Pad Kit. If you’re looking to step up your clutch game, this is where it’s at. This kit packs ACT's Heavy Duty pressure plate, which is pretty much the go-to for anyone who wants a reliable and tough setup. They’ve got this cool diaphragm design that ramps up the clamp load, cuts down on deflection, and helps your clutch last longer. Seriously, these diaphragms go through a four-stage heat-treating process, so you know they’re built to handle the heat.

The pressure plates are made with precision cover stampings, giving you that extra rigidity and consistency. Now, let’s get into the 4-pad rigid race discs. These bad boys are crafted from high-quality ceramic friction materials, and they come with a chrome-moly hub that's heat-treated for some serious strength. The lightweight design means you’ll be shifting quicker, and while the engagement might feel a bit harsh, it’s all about that fast gear change—perfect for those who live for the track.

Now, I won’t sugarcoat it: this setup is meant for race use. You’re going to feel the pedal effort, but it’s manageable. Just a heads up, the aggressive engagement might lead to a bit more gear rattle, but that’s just part of the game when you’re pushing for performance. Plus, the friction life is decent—thanks to that ACT diaphragm design—but do keep in mind that the rigid setup might increase spline wear over time.

If you're curious about the nitty-gritty specs, here’s what you need to know:

  • Clutch Disc Diameter: 8.4 in (214 mm)
  • Input Spline Quantity: 20
  • Torque Capacity: 290 ft/lbs
  • Weight: 10 lbs
  • Disc Material: Ceramic
  • Release Bearing: Included
  • Alignment Tool: Yup, that’s included too

And just to make sure you’re getting the right fit, this kit works with a bunch of models like the Dodge Colt (1989-1990 & 1993-1994), Mitsubishi Eclipse (1990-1994), and Hyundai Elantra (1993-1995), among others. So, if you’ve got one of these rides, you’re in luck.

Ready to take your setup to the next level? This kit's got your back. Just remember to check your installation instructions here before diving in.

Other Part Numbers:
ACT #actMB3-HDR4

Proposition 65

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

Vehicle
1989-1990, 1993-1994
 Dodge Colt
1992-1994, 1996
 Eagle Summit
1991-1994
 Eagle Talon
1993-1995
 Hyundai Elantra
1993-1995
 Hyundai Scoupe
1992-1994
 Hyundai Sonata
1990-1994
 Mitsubishi Eclipse
1992-1994
 Mitsubishi Expo LRV
1988-1993
 Mitsubishi Galant
1988-1989, 1992-2002
 Mitsubishi Mirage
1992-1994
 Plymouth Colt
1990-1994
 Plymouth Laser

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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