Heavy Duty Xtreme Performance Clutch Kit KSU23015-1A

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Heavy Duty Xtreme Performance Clutch Kit KSU23015-1A

The Stage 1 clutch kit uses an upgraded pressure plate with increased clamping pressure, combined with an organic friction disc. Stage 1 delivers substantial increases in performance and power holding capability whilst retaining near factory type driveability, and is designed primarily for high performance road going vehicles.

These kits feature a high quality cover with increased clamping force compared with standard, between 20-40% depending on the demands of the individual vehicle.

They use an organic friction disc to retain drive-ability similar to standard.


  • Torque (Nm/ ftlbs) INC FOS 460/ 340
  • Clamp Load 1050Kg (25% inc.)
  • Flywheel Step -2.0mm
  • Clutch Disc Diameter 230mm
  • Clutch Disc Spline Count 24
  • Clutch Disc Spline Diameter 25.2mm
  • Weight 6.4 Kg
  • 06-07 WRX
  • 08-14 WRX
  • 15+ WRX
  • 08-12 Forester (SH)
  • 10-14 Liberty GT (BM, BR)

 Note: Some makes and models may have had previous conversions or modifications, if unsure please contact us or use ask us form below.