ACT Clutch Kits & Flywheels

ACT HD/Perf Street Sprung Clutch Kit | Multiple Fitments

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  • Regular price $653.00

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HD/Perf Street Sprung Clutch Kit by ACT

GM6-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's Performance Street discs feature premium organic materials with high copper content for better heat transfer and steel-backed lining for greater burst strength and durability. These discs have reduced marcel for faster shift action to complement ACT pressure plates, with increased strength and reliability.


  • Product Weight (lbs.): 30.5
  • Torque Capacity (ft/lbs.): 709
  • Torque Capacity Over OE: 22%
  • Disc Material: Organic
  • Clutch Disc Diameter (Inches): 11
  • Clutch Disc Diameter (Millimeters): 280
  • Input Shaft Diameter (inches): 1.125
  • Pressure Plate Type: Heavy Duty


  • Light to moderate pedal effort
  • Smooth positive engagement
  • OE to mild gear rattle
  • Longer friction life
  • Heat tolerance and reduced fade
  • 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability


  • 1971-1973 Pontiac GTO
  • 1971-1973 Oldsmobile Cutlass
  • 1971-1971 Chevrolet Bel Air
  • 1971-1971 Chevrolet Impala
  • 1971-1981 Chevrolet Camaro
  • 1970-1982 Chevrolet Corvette
  • 1973-1973 Buick Regal
  • 1973-1981 Pontiac Firebird
  • 1970-1972 Chevrolet Chevelle
  • 1971-1971 Chevrolet Biscayne

What's In The Box?

  • 1 - ACT HD/Perf Street Sprung Clutch Kit


  • ACT 1-Year Limited Warranty