ACT Clutch Kits & Flywheels

ACT HD/Perf Street Sprung Clutch Kit | 04-09 Audi S4 / 07-08 RS4

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  • Regular price $1,033.00

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04-09 Audi S4 & 07-08 RS4 HD/Perf Street Sprung Clutch Kit by ACT

AA2-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc.

CT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency.

ACT's Performance Street discs feature premium organic materials with high copper content for better heat transfer and steel-backed lining for greater burst strength and durability. These discs have reduced marcel for faster shift action to complement ACT pressure plates, with increased strength and reliability.


  • Feel: Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattle
  • Life: Longer friction life, extended by ACT's exclusive diaphragm design
  • Quality: Carefully engineered, precisely assembled, accurately balanced, with premium organic friction materials for heat tolerance and reduced fade
  • Recommended Use: Recommended for street and race use
  • ACT Difference: 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability

Please Note: Spring centered disc is designed for use with ACT single mass flywheel. Will not work with OE dual mass flywheel.


  • 2004 - 2009 Audi S4
  • 2007 - 2008 Audi RS4

What's In The Box?

  • 1 - HD Pressure Plate
  • 1 - Street Sprung Disc
  • 1 - Release Bearing
  • 1 - Alignment Tool



  • 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.