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  See more parts for Mazda 323
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ACT 4 Pad Rigid Race Disc Mazda | Mercury | Suzuki 1981-1995 - 4190004
ACT 4 Pad Rigid Race Disc Mazda | Mercury | Suzuki 1981-1995 - 4190004 - Image 3 ACT 4 Pad Rigid Race Disc Mazda | Mercury | Suzuki 1981-1995 - 4190004 - Image 2 ACT 4 Pad Rigid Race Disc Mazda | Mercury | Suzuki 1981-1995 - 4190004 - Image 3

Introducing the ACT 4 Pad Rigid Race Disc (Part Number: 4190004), a high-performance component designed for serious racers looking to enhance their vehicle's shifting capabilities. Crafted with premium ceramic friction materials, this race disc delivers a unique combination of aggressive engagement and rapid shifts, making it an ideal choice for competitive driving.

While the engagement may feel harsher compared to standard discs, users have noted that the trade-off is well worth it for the increased speed and responsiveness during shifts. One customer shared, "I installed the ACT 4190004 on my Mazda MX-3, and the difference was night and day. The shifts are so much quicker, and I can really feel the power transfer!"

This race disc features top-grade rivets that ensure maximum strength and reliability, so you can trust it to perform under pressure. The lightweight rigid design, combined with a heat-treated chromoly hub, enhances durability without adding unnecessary weight to your setup. It's worth mentioning that while the rigid design is beneficial for performance, it may lead to increased spline wear over time.

Key Features:

  • Aggressive engagement for quicker shifts and a more connected driving experience
  • Moderate wear rates and high heat tolerance thanks to premium ceramic materials
  • Lightweight and durable construction with a heat-treated chromoly hub
  • Designed specifically for race use, ensuring optimal performance
  • Holds 28% more torque compared to typical organic materials, providing better power handling

Technical Specifications:

  • Diameter: 7.5 in (190 mm)
  • Spline Quantity: 20
  • Grade Type: Performance
  • Friction Plate: No
  • Disc Material: Ceramic
  • Splined Bore Diameter: 0.875 in
  • Disc Type: Solid
  • Product Weight: 1.7 lbs
  • SFI Rating: 1.1

This product is compatible with the following vehicles:

  • Mazda 323 (1986-1994)
  • Mazda GLC (1981-1985)
  • Mazda MX-3 (1992-1993)
  • Mercury Tracer (1988-1989)
  • Suzuki Samurai (1986-1995)

For those looking to push their vehicle to the next level on the track, the ACT 4 Pad Rigid Race Disc 4190004 is an excellent choice that won't disappoint. Experience the difference in performance and reliability today!

Other Part Numbers:
ACT #act4190004

Proposition 65

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

Vehicle
1986-1994
 Mazda 323
1981-1985
 Mazda GLC
1992-1993
 Mazda MX-3
1988-1989
 Mercury Tracer
1986-1995
 Suzuki Samurai

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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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