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Competition Clutch Stage 4 for Subaru STI '04-'13

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The Competition Clutch Stage 4 1620 assembly comes with a double spring, six rivet carriage and is specifically designed to make gear changes smooth in high horsepower applications. This disc complimented by a performance pressure plate provides 250% increase in torque capacity. Competition Clutch recommends a minimum 300 mile break-in for best performance with this set-up. The 1620 Series kit includes a performance pressure plate, a six puck high torque sprung disc with Ceramic buttons, all applicable bearings, and the appropriate alignment tool. Please be aware that this clutch will produce extremely high levels of noise, vibration and harshness. Intended for light street use only.


  • Features:
  • 250% increase in torque capactiy
  • 6-puck ceramic friction surface
  • Available with or without a 15lb lightweight steel flywheel






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