Make Vehicle	Model	Submodel	Year	Engine	Notes
2007-2008 Audi RS4	RS4		2007-2008
2004-2009 Audi S4	S4		2004-2009

ACT – Advanced Clutch Technology | Performance Clutch Kits & Lightweight Flywheels

ACT (Advanced Clutch Technology) is a top-tier manufacturer of performance clutches and flywheels engineered for high-horsepower street cars, dedicated race builds, and off-road performance vehicles. Specializing in complete clutch kits, heavy-duty pressure plates, performance clutch discs, and lightweight chromoly flywheels, ACT delivers unmatched torque capacity, improved pedal feel, and race-proven durability.

Each ACT clutch kit is designed for optimal performance, whether you're launching off the line in drag racing, sliding sideways in drift events, or hammering apexes on the road course. With SFI-certified components, ACT clutch systems are trusted by motorsport professionals and weekend warriors alike.

Key Benefits of ACT Clutch and Flywheel Systems:

• Increased torque holding capacity for high-performance engines
• Faster throttle response and reduced rotational mass with lightweight flywheels
• Application-specific kits for perfect OE fitment and minimal driveline chatter
• Tested and proven in competition environments worldwide
• Ideal for turbocharged, supercharged, and naturally aspirated builds

Popular ACT Clutch Fitments Include:

Subaru WRX/STI, Mitsubishi Lancer Evolution, Nissan 350Z/370Z, Honda Civic Type R, Ford Mustang GT, Chevrolet Camaro SS/ZL1, BMW M3/M4, Toyota Supra, and more.

ACT Product Types:

• Performance Clutch Kits (HD, XT, Xtreme, Twin Disc)
• Street and Race Clutches
• Chromoly Lightweight Flywheels
• Clutch Discs (Sprung, Rigid, 6-Puck, Full-Face)
• Alignment Tools and Hardware

Whether you're upgrading for increased horsepower or replacing a worn-out factory clutch, ACT offers high-quality, USA-made clutch solutions that deliver on performance, longevity, and value.

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.