Heavy Duty Xtreme Performance Clutch Kit KSU24001-1A

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Heavy Duty Xtreme Performance Clutch Kit KSU24001-1A
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 570/ 420
  • Clamp Load 1250Kg (30% inc.)
  • Flywheel Step -15.0mm
  • Clutch Disc Diameter 240mm
  • Clutch Disc Spline Count 24
  • Clutch Disc Spline Diameter 25.2mm
  • Includes Thrust, Spigot Bearing & Alignment Tool


  • 01-05 WRX STI (2.0L 6 Speed)

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