ACT Xtreme Duty Performance Street Disc Clutch Kit - 2004-21 Subaru STI / 2007-09 Subaru Legacy GT Spec B

$737.00 $1,008.00 Save $271

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Action Clutch Technology SKU: ACTSB10-XTSS

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This clutch kit is perfect for those of you with moderate bolt-ons and needs a clutch that is strong enough to handle the power in your 04+ Subaru STI or 07-09 Forester! This clutch kit features the ACT Xtreme Pressure Plate which has been designed with an exclusive diaphragm design to increase clamp load, reduce deflection, and maximize clutch life. The diaphragm endures a four-stage heat-treating process to deliver optimal performance in demanding conditions.


  • 60% Torque capacity over OEM
  • Torque capacity of 590lbs
  • Disc diameter of 9.4 inches (240mm)
  • 24 Spline count
  • Clutch disc features organic materials with higher copper content that allows for better heat transfer
  • Moderate to heavy pedal effort, smooth positive engagement, OE to mild gear rattle, better confidence during hard shifts
  • Longer friction life, exclusive diaphragm design, dramatic improvement in release mechanism life
  • Recommended for street and race use


  • Xtreme Duty Pressure Plate
  • Street disc
  • Release bearing
  • Pilot bearing
  • Clutch alignment tool