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  See more parts for Saab 9-2X
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ACT HD-M/Race Sprung 4 Pad Kit Saab | Subaru 1991-2009 - SB9-HDG4

If you’re looking to up your clutch game, the ACT HD-M/Race Sprung 4 Pad Kit SB9-HDG4 is a solid choice. This kit packs in ACT's Heavy Duty pressure plate, which is known for its durability. The special diaphragm design boosts clamp load, cuts down on deflection, and helps your clutch last longer. Plus, they put their diaphragms through a four-stage heat treatment, so you know they can handle the heat. The pressure plate is built with precision cover stampings, giving it the rigidity and consistency you want when you’re pushing your ride to the limit.

Now, let’s talk about the 4-pad spring-centered race disc. It’s designed to dampen those annoying torsional vibrations, making for a quieter drive, and it’s tough enough to withstand some serious abuse. The spring retainers have wraparound spring windows and thicker stampings, which means they support the springs better and reduce stress points—so you can shift with confidence, even when the going gets tough. Just a heads-up, with this setup, engagement is a bit harsher, but that means you’ll be shifting quicker, which is a plus for spirited driving.

Also, the Monoloc feature is a game changer. It replaces the standard two-piece wedge collar and wire ring found in pull-type clutches with a one-piece design. This means better alignment and a more consistent feel, no matter how you drive. Constructed from hardened Chrome-moly steel, you’re looking at a clutch that’s built to last.

Install Instructions:

Features:

  • Light to moderate pedal effort with aggressive engagement for confidence during hard shifts.
  • Moderate friction life, thanks to ACT's diaphragm design, which also improves the release mechanism's lifespan.
  • Engineered for performance, using ceramic friction materials that can take the heat.
  • Perfect for high horsepower street or race applications.
  • 100% clamp load tested and dynamically balanced for smooth operation at high RPMs, plus it includes ACT’s Monoloc.

Specifications:

  • Clutch Master Cylinder Included: No
  • Grease Included: Yes
  • Grade Type: Performance
  • Pilot Bushing Included: No
  • Pressure Plate Type: Heavy Duty
  • Release Bearing Included: Yes
  • Clutch Disc Diameter: 9 in (228 mm)
  • Disc Material: Ceramic
  • Input Spline Quantity: 24
  • Input Shaft Diameter: 1 in
  • Alignment Tool Included: Yes
  • Disc Type: Sprung Solid
  • Pressure Plate Bolts Included: No
  • Clutch Slave Cylinder Included: No
  • Flywheel Bolts Included: No
  • Pilot Bearing Included: Yes
  • Product Weight: 16.2 lbs
  • Torque Capacity: 555 ft/lbs
  • Torque Capacity Over OE: 0.63

Notes:

  • Includes ACT Monoloc.

Products Fitment:

  • Saab 9-2X 2005
  • Saab 9-2X Wagon 2005
  • Subaru Baja 2004-2005
  • Subaru Forester 2004-2005
  • Subaru Legacy 1991-1994 & 2000-2009
  • Subaru WRX 2002-2005

Other Part Numbers:
ACT #actSB9-HDG4

Proposition 65

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

Vehicle
2005
 Saab 9-2X
2005
 Saab 9-2X Wagon
2004-2005
 Subaru Baja
2004-2005
 Subaru Forester
1991-1994, 2000-2009
 Subaru Legacy
2002-2005
 Subaru WRX

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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