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  See more parts for Chevrolet Sprint
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ACT HD/Race Rigid 4 Pad Kit Chevrolet | Suzuki | Geo 1987-2001 - SZ1-HDR4

ACT SZ1-HDR4 Heavy Duty/Race Rigid 4 Pad Kit

The ACT SZ1-HDR4 is a top-tier solution for performance enthusiasts looking to enhance their vehicle's clutch system. This Heavy Duty/Race Rigid 4 Pad Kit is engineered with precision and designed for those who demand more from their ride. Featuring ACT's renowned Heavy Duty pressure plate, this kit promises a significant boost in clamp load, ensuring your clutch can handle the rigors of aggressive driving.

Key Features

  • Light to moderate pedal effort combined with aggressive engagement for a thrilling driving experience.
  • Moderate friction life, expertly extended by ACT's exclusive diaphragm design, though be aware that the rigid setup may lead to increased spline wear.
  • Constructed with high-quality ceramic friction materials, providing exceptional heat tolerance and performance.
  • 100% clamp load tested and dynamically balanced for reliability at high RPMs, making it a perfect choice for race applications.

Specifications

  • Clutch Disc Diameter: 7.5 in (190 mm)
  • Input Spline Quantity: 18
  • Input Shaft Diameter: 0.75 in
  • Torque Capacity: 225 ft/lbs
  • Product Weight: 8.1 lbs
  • Disc Material: Ceramic
  • Pressure Plate Type: Heavy Duty
  • Release Bearing Included: Yes
  • Pilot Bearing Included: Yes
  • Alignment Tool Included: Yes

Customer Feedback

"After installing the SZ1-HDR4 in my Geo Metro, I noticed an immediate difference in my shifts. They feel quicker and more precise. Just keep in mind that the engagement is a bit harsher than stock, but that's what I wanted for racing!" - Mike R.

"I was a bit hesitant about the installation, but the included alignment tool made it straightforward. The performance boost is worth every penny!" - Sarah T.

Installation Instructions

For detailed installation instructions, please CLICK HERE.

Fitment

This clutch kit is compatible with:

  • Chevrolet Sprint (1987-1988)
  • Geo Metro (1992-1997)
  • Suzuki Esteem (1995-2001)
  • Suzuki Swift (1990-1994 & 2000-2001)

Other Part Numbers:
ACT #actSZ1-HDR4

Proposition 65

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

Vehicle
1987-1988
 Chevrolet Sprint
1992-1997
 Geo Metro
1995-2001
 Suzuki Esteem
1990-1994, 2000-2001
 Suzuki Swift

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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