ACT Mod-Twin 225 XT Sprung Race Clutch Kit - 04-21 STI


$2,319.99 CAD $2,973.61 CAD

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3 pieces in stock

This is ACT's new Mod Twin 225 XT Sprung Race Clutch Kit. This particular clutch kit is ideal for high-horsepower AWD vehicles that experience aggressive launches and high-performance driving conditions. This clutch combines twice the ceramic friction surfaces with an ultra-durable mono-drive sprung hub assembly in a completely modular design. Each diaphragm spring endures an exclusive four-stage heat-treating process that provides a consistent light-pedal feel. Other features include puck-style friction plates with high-quality ceramic friction materials that deliver a high friction coefficient, superior heat capacity, and longer clutch life. The friction plates uniformly transfer torque to a Mono-Drive sprung hub assembly which extends input shaft life and reduces driveline shock from torsional vibration. 




  • Torque capacity: 1120 ft/lbs
  • Torque capacity over OE: 214%
  • Sprung race-disc type
  • Ceramic disc material
  • Recommended use: Drag racing, road racing, or rally racing



  • Predictable aggressive engagement
  • Light pedal effort
  • Smooth-shifting
  • Possible start-off judder with OE to mild transmission gear noise



  • Forged aluminum cover
  • Mono-drive hub
  • Exclusive diaphragm
  • Premium friction materials with hardened wear points



  • Delivers maximum performance
  • Delivers high-heat tolerances by combining robust design, strategic features, choice materials, and close tolerances



  • CNC-machined and dynamically balanced flywheel
  • Pressure plate cover
  • Diaphragm spring
  • Face
  • Puck-style ceramic friction plates
  • Sprung mono-drive hub assembly 
  • Floater
  • Patented Monoloc Collar
  • Release bearing
  • Alignment tool 
  • Pilot bearing (if needed)



  • The MOD Twin clutches are fully rebuildable and most components can be ordered separately 
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