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ACT BM2-HDSS Heavy Duty/Performance Street Sprung Kit
The ACT BM2-HDSS Heavy Duty/Performance Street Sprung Kit is engineered for those who demand reliability and performance from their clutch system. This kit features ACT's renowned Heavy Duty pressure plate, designed with an exclusive diaphragm that enhances clamp load while minimizing deflection. The result is a clutch that not only lasts longer but also performs consistently under various driving conditions.
Construction and Design
Each pressure plate undergoes a meticulous four-stage heat-treating process, ensuring superior performance and longevity. The precision cover stampings contribute to the rigidity and consistency of the pressure plate, making it a solid choice for both street and light racing applications.
Performance Street Disc
The Performance Street disc included in this kit is crafted from premium organic materials, featuring a high copper content that improves heat transfer. The steel-backed lining enhances burst strength and durability, while the reduced marcel design allows for quicker shift action, perfectly complementing the Heavy Duty pressure plate.
Installation Notes
For detailed installation instructions, refer to the ACT Installation Guide.
Key Features
- Light to moderate pedal effort with smooth engagement and minimal gear rattle.
- Extended friction life due to ACT's exclusive diaphragm design.
- Engineered for high heat tolerance and reduced fade, using premium organic friction materials.
- Tested for 100% clamp load and dynamically balanced for reliability at high RPMs.
Specifications
- Clutch Disc Diameter: 8.4 in (214 mm)
- Disc Material: Organic
- Input Spline Quantity: 14
- Input Shaft Diameter: 1 in
- Product Weight: 11.1 lbs
- Torque Capacity: 270 ft/lbs
- Pressure Plate Type: Heavy Duty
- Release Bearing Included: Yes
- Alignment Tool Included: Yes
- Grease Included: Yes
Installation Notes
- ACT flywheel must be used with sprung hub discs (flywheel not included).
Fitment
This kit is confirmed to fit:
- Mini Cooper (2002-2008)
- Mini Cooper S (2002-2008)
Other Part Numbers:
ACT #actBM2-HDSS
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
2002-2008 Mini Cooper |
Cooper | 2002-2008 |
|
2002-2008 Mini Cooper S |
Cooper S | 2002-2008 |
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 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
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.
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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