ACT Clutch Kits & Flywheels

ACT HD/Race Sprung 6 Pad Clutch Kit with Flywheel | Multiple Subaru Fitments

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ACT HD/Race Sprung 6 Pad Clutch Kit with Flywheel

SB11-HDG6 kit features ACT's most popular Heavy Duty pressure plate. ACT 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 6-pad, spring-centered race disc features a spring-center to properly damp torsional vibrations and resist failure under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support, reduce stress concentrations, and increase strength and reliability. With the 6-pad, spring-centered race disc, engagement is harsher, but shifting is faster. The 6-pad, spring-centered disc is recommended for larger clutch sizes to absorb more heat.


  • Feel: Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle
  • Life: Moderate friction life, extended by ACT's exclusive diaphragm design
  • Quality: Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance
  • Recommended Use: Recommended for high horsepower street or race use
  • ACT Difference: 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability


  • Disc Type - Sprung Race Disc
  • Tooth Quantity - 124
  • Pressure Plate Type - Heavy Duty
  • Input Shaft Diameter (Inches) - 1
  • Torque Capacity Over OE - 78%
  • Torque Capacity (ft/lbs.) - 574
  • Friction Surface Diameter (mm) - 240
  • Friction Surface Diameter (Inches) - 9.4
  • Spline Count - 24
  • Disc Material - Ceramic
  • Pad Quantity - 6


  • 2006-2021 Subaru WRX
  • 2006 Subaru Baja Turbo
  • 2006-2008 Subaru Forester XT
  • 2005-2012 Subaru Legacy GT
  • 2005-2009 Subaru Outback XT

What's In The Box?

  • (1) 6 Pad Sprung Race Disc 6240518
  • (1) P/PL Heavy Duty SB020
  • (1) XACT Flywheel Streetlite 600890
  • Release Bearing RB846
  • Alignment Tool AT90


  • 1 Year Manufacturer Warranty